diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5fffc3003b..d239f08829 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,11 +15,6 @@ on:
     tags: [v*]
 
 env:
-  PGP_PASSPHRASE: ${{ secrets.PGP_PASSPHRASE }}
-  SONATYPE_PASSWORD: ${{ secrets.SONATYPE_PASSWORD }}
-  SONATYPE_CREDENTIAL_HOST: ${{ secrets.SONATYPE_CREDENTIAL_HOST }}
-  SONATYPE_USERNAME: ${{ secrets.SONATYPE_USERNAME }}
-  PGP_SECRET: ${{ secrets.PGP_SECRET }}
   GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
 jobs:
@@ -51,21 +46,21 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout current branch (full)
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
 
       - name: Download Java (temurin@8)
         id: download-java-temurin-8
         if: matrix.java == 'temurin@8'
-        uses: typelevel/download-java@v1
+        uses: typelevel/download-java@v2
         with:
           distribution: temurin
           java-version: 8
 
       - name: Setup Java (temurin@8)
         if: matrix.java == 'temurin@8'
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v3
         with:
           distribution: jdkfile
           java-version: 8
@@ -74,14 +69,14 @@ jobs:
       - name: Download Java (temurin@17)
         id: download-java-temurin-17
         if: matrix.java == 'temurin@17'
-        uses: typelevel/download-java@v1
+        uses: typelevel/download-java@v2
         with:
           distribution: temurin
           java-version: 17
 
       - name: Setup Java (temurin@17)
         if: matrix.java == 'temurin@17'
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v3
         with:
           distribution: jdkfile
           java-version: 17
@@ -90,21 +85,21 @@ jobs:
       - name: Download Java (graalvm@11)
         id: download-java-graalvm-11
         if: matrix.java == 'graalvm@11'
-        uses: typelevel/download-java@v1
+        uses: typelevel/download-java@v2
         with:
           distribution: graalvm
           java-version: 11
 
       - name: Setup Java (graalvm@11)
         if: matrix.java == 'graalvm@11'
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v3
         with:
           distribution: jdkfile
           java-version: 11
           jdkFile: ${{ steps.download-java-graalvm-11.outputs.jdkFile }}
 
       - name: Cache sbt
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: |
             ~/.sbt
@@ -116,7 +111,7 @@ jobs:
           key: ${{ runner.os }}-sbt-cache-v2-${{ hashFiles('**/*.sbt') }}-${{ hashFiles('project/build.properties') }}
 
       - name: Check that workflows are up to date
-        run: sbt githubWorkflowCheck
+        run: sbt 'project ${{ matrix.project }}' '++${{ matrix.scala }}' 'project /' githubWorkflowCheck
 
       - name: Check headers and formatting
         if: matrix.java == 'temurin@8'
@@ -151,7 +146,7 @@ jobs:
 
       - name: Upload target directories
         if: github.event_name != 'pull_request' && (startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/main')
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v3
         with:
           name: target-${{ matrix.os }}-${{ matrix.java }}-${{ matrix.scala }}-${{ matrix.project }}
           path: targets.tar
@@ -168,21 +163,21 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout current branch (full)
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
 
       - name: Download Java (temurin@8)
         id: download-java-temurin-8
         if: matrix.java == 'temurin@8'
-        uses: typelevel/download-java@v1
+        uses: typelevel/download-java@v2
         with:
           distribution: temurin
           java-version: 8
 
       - name: Setup Java (temurin@8)
         if: matrix.java == 'temurin@8'
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v3
         with:
           distribution: jdkfile
           java-version: 8
@@ -191,14 +186,14 @@ jobs:
       - name: Download Java (temurin@17)
         id: download-java-temurin-17
         if: matrix.java == 'temurin@17'
-        uses: typelevel/download-java@v1
+        uses: typelevel/download-java@v2
         with:
           distribution: temurin
           java-version: 17
 
       - name: Setup Java (temurin@17)
         if: matrix.java == 'temurin@17'
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v3
         with:
           distribution: jdkfile
           java-version: 17
@@ -207,21 +202,21 @@ jobs:
       - name: Download Java (graalvm@11)
         id: download-java-graalvm-11
         if: matrix.java == 'graalvm@11'
-        uses: typelevel/download-java@v1
+        uses: typelevel/download-java@v2
         with:
           distribution: graalvm
           java-version: 11
 
       - name: Setup Java (graalvm@11)
         if: matrix.java == 'graalvm@11'
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v3
         with:
           distribution: jdkfile
           java-version: 11
           jdkFile: ${{ steps.download-java-graalvm-11.outputs.jdkFile }}
 
       - name: Cache sbt
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: |
             ~/.sbt
@@ -233,7 +228,7 @@ jobs:
           key: ${{ runner.os }}-sbt-cache-v2-${{ hashFiles('**/*.sbt') }}-${{ hashFiles('project/build.properties') }}
 
       - name: Download target directories (2.12.17, rootJS)
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v3
         with:
           name: target-${{ matrix.os }}-${{ matrix.java }}-2.12.17-rootJS
 
@@ -243,7 +238,7 @@ jobs:
           rm targets.tar
 
       - name: Download target directories (2.12.17, rootJVM)
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v3
         with:
           name: target-${{ matrix.os }}-${{ matrix.java }}-2.12.17-rootJVM
 
@@ -253,7 +248,7 @@ jobs:
           rm targets.tar
 
       - name: Download target directories (2.12.17, rootNative)
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v3
         with:
           name: target-${{ matrix.os }}-${{ matrix.java }}-2.12.17-rootNative
 
@@ -263,7 +258,7 @@ jobs:
           rm targets.tar
 
       - name: Download target directories (2.13.8, rootJS)
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v3
         with:
           name: target-${{ matrix.os }}-${{ matrix.java }}-2.13.8-rootJS
 
@@ -273,7 +268,7 @@ jobs:
           rm targets.tar
 
       - name: Download target directories (2.13.8, rootJVM)
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v3
         with:
           name: target-${{ matrix.os }}-${{ matrix.java }}-2.13.8-rootJVM
 
@@ -283,7 +278,7 @@ jobs:
           rm targets.tar
 
       - name: Download target directories (2.13.8, rootNative)
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v3
         with:
           name: target-${{ matrix.os }}-${{ matrix.java }}-2.13.8-rootNative
 
@@ -293,7 +288,7 @@ jobs:
           rm targets.tar
 
       - name: Download target directories (3.1.3, rootJS)
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v3
         with:
           name: target-${{ matrix.os }}-${{ matrix.java }}-3.1.3-rootJS
 
@@ -303,7 +298,7 @@ jobs:
           rm targets.tar
 
       - name: Download target directories (3.1.3, rootJVM)
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v3
         with:
           name: target-${{ matrix.os }}-${{ matrix.java }}-3.1.3-rootJVM
 
@@ -313,7 +308,7 @@ jobs:
           rm targets.tar
 
       - name: Download target directories (3.1.3, rootNative)
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v3
         with:
           name: target-${{ matrix.os }}-${{ matrix.java }}-3.1.3-rootNative
 
@@ -324,18 +319,106 @@ jobs:
 
       - name: Import signing key
         if: env.PGP_SECRET != '' && env.PGP_PASSPHRASE == ''
+        env:
+          PGP_SECRET: ${{ secrets.PGP_SECRET }}
+          PGP_PASSPHRASE: ${{ secrets.PGP_PASSPHRASE }}
         run: echo $PGP_SECRET | base64 -di | gpg --import
 
       - name: Import signing key and strip passphrase
         if: env.PGP_SECRET != '' && env.PGP_PASSPHRASE != ''
+        env:
+          PGP_SECRET: ${{ secrets.PGP_SECRET }}
+          PGP_PASSPHRASE: ${{ secrets.PGP_PASSPHRASE }}
         run: |
           echo "$PGP_SECRET" | base64 -di > /tmp/signing-key.gpg
           echo "$PGP_PASSPHRASE" | gpg --pinentry-mode loopback --passphrase-fd 0 --import /tmp/signing-key.gpg
           (echo "$PGP_PASSPHRASE"; echo; echo) | gpg --command-fd 0 --pinentry-mode loopback --change-passphrase $(gpg --list-secret-keys --with-colons 2> /dev/null | grep '^sec:' | cut --delimiter ':' --fields 5 | tail -n 1)
 
       - name: Publish
+        env:
+          SONATYPE_USERNAME: ${{ secrets.SONATYPE_USERNAME }}
+          SONATYPE_PASSWORD: ${{ secrets.SONATYPE_PASSWORD }}
+          SONATYPE_CREDENTIAL_HOST: ${{ secrets.SONATYPE_CREDENTIAL_HOST }}
         run: sbt '++${{ matrix.scala }}' tlRelease
 
+  dependency-submission:
+    name: Submit Dependencies
+    if: github.event_name != 'pull_request'
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        scala: [2.13.8]
+        java: [temurin@8]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Checkout current branch (full)
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Download Java (temurin@8)
+        id: download-java-temurin-8
+        if: matrix.java == 'temurin@8'
+        uses: typelevel/download-java@v2
+        with:
+          distribution: temurin
+          java-version: 8
+
+      - name: Setup Java (temurin@8)
+        if: matrix.java == 'temurin@8'
+        uses: actions/setup-java@v3
+        with:
+          distribution: jdkfile
+          java-version: 8
+          jdkFile: ${{ steps.download-java-temurin-8.outputs.jdkFile }}
+
+      - name: Download Java (temurin@17)
+        id: download-java-temurin-17
+        if: matrix.java == 'temurin@17'
+        uses: typelevel/download-java@v2
+        with:
+          distribution: temurin
+          java-version: 17
+
+      - name: Setup Java (temurin@17)
+        if: matrix.java == 'temurin@17'
+        uses: actions/setup-java@v3
+        with:
+          distribution: jdkfile
+          java-version: 17
+          jdkFile: ${{ steps.download-java-temurin-17.outputs.jdkFile }}
+
+      - name: Download Java (graalvm@11)
+        id: download-java-graalvm-11
+        if: matrix.java == 'graalvm@11'
+        uses: typelevel/download-java@v2
+        with:
+          distribution: graalvm
+          java-version: 11
+
+      - name: Setup Java (graalvm@11)
+        if: matrix.java == 'graalvm@11'
+        uses: actions/setup-java@v3
+        with:
+          distribution: jdkfile
+          java-version: 11
+          jdkFile: ${{ steps.download-java-graalvm-11.outputs.jdkFile }}
+
+      - name: Cache sbt
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.sbt
+            ~/.ivy2/cache
+            ~/.coursier/cache/v1
+            ~/.cache/coursier/v1
+            ~/AppData/Local/Coursier/Cache/v1
+            ~/Library/Caches/Coursier/v1
+          key: ${{ runner.os }}-sbt-cache-v2-${{ hashFiles('**/*.sbt') }}-${{ hashFiles('project/build.properties') }}
+
+      - name: Submit Dependencies
+        uses: scalacenter/sbt-dependency-submission@v2
+
   scalafix:
     name: Scalafix
     strategy:
@@ -346,21 +429,21 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout current branch (full)
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
 
       - name: Download Java (temurin@8)
         id: download-java-temurin-8
         if: matrix.java == 'temurin@8'
-        uses: typelevel/download-java@v1
+        uses: typelevel/download-java@v2
         with:
           distribution: temurin
           java-version: 8
 
       - name: Setup Java (temurin@8)
         if: matrix.java == 'temurin@8'
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v3
         with:
           distribution: jdkfile
           java-version: 8
@@ -369,14 +452,14 @@ jobs:
       - name: Download Java (temurin@17)
         id: download-java-temurin-17
         if: matrix.java == 'temurin@17'
-        uses: typelevel/download-java@v1
+        uses: typelevel/download-java@v2
         with:
           distribution: temurin
           java-version: 17
 
       - name: Setup Java (temurin@17)
         if: matrix.java == 'temurin@17'
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v3
         with:
           distribution: jdkfile
           java-version: 17
@@ -385,21 +468,21 @@ jobs:
       - name: Download Java (graalvm@11)
         id: download-java-graalvm-11
         if: matrix.java == 'graalvm@11'
-        uses: typelevel/download-java@v1
+        uses: typelevel/download-java@v2
         with:
           distribution: graalvm
           java-version: 11
 
       - name: Setup Java (graalvm@11)
         if: matrix.java == 'graalvm@11'
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v3
         with:
           distribution: jdkfile
           java-version: 11
           jdkFile: ${{ steps.download-java-graalvm-11.outputs.jdkFile }}
 
       - name: Cache sbt
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: |
             ~/.sbt
@@ -425,21 +508,21 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout current branch (full)
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
 
       - name: Download Java (temurin@8)
         id: download-java-temurin-8
         if: matrix.java == 'temurin@8'
-        uses: typelevel/download-java@v1
+        uses: typelevel/download-java@v2
         with:
           distribution: temurin
           java-version: 8
 
       - name: Setup Java (temurin@8)
         if: matrix.java == 'temurin@8'
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v3
         with:
           distribution: jdkfile
           java-version: 8
@@ -448,14 +531,14 @@ jobs:
       - name: Download Java (temurin@17)
         id: download-java-temurin-17
         if: matrix.java == 'temurin@17'
-        uses: typelevel/download-java@v1
+        uses: typelevel/download-java@v2
         with:
           distribution: temurin
           java-version: 17
 
       - name: Setup Java (temurin@17)
         if: matrix.java == 'temurin@17'
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v3
         with:
           distribution: jdkfile
           java-version: 17
@@ -464,21 +547,21 @@ jobs:
       - name: Download Java (graalvm@11)
         id: download-java-graalvm-11
         if: matrix.java == 'graalvm@11'
-        uses: typelevel/download-java@v1
+        uses: typelevel/download-java@v2
         with:
           distribution: graalvm
           java-version: 11
 
       - name: Setup Java (graalvm@11)
         if: matrix.java == 'graalvm@11'
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v3
         with:
           distribution: jdkfile
           java-version: 11
           jdkFile: ${{ steps.download-java-graalvm-11.outputs.jdkFile }}
 
       - name: Cache sbt
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: |
             ~/.sbt
diff --git a/kernel/src/main/scala-2.12/cats/kernel/compat/HashCompat.scala b/kernel/src/main/scala-2.12/cats/kernel/compat/HashCompat.scala
index 5f21b95f99..86bc9ddcbf 100644
--- a/kernel/src/main/scala-2.12/cats/kernel/compat/HashCompat.scala
+++ b/kernel/src/main/scala-2.12/cats/kernel/compat/HashCompat.scala
@@ -45,7 +45,7 @@ package compat
 
 private[kernel] class HashCompat {
   // Adapted from scala.util.hashing.MurmurHash#productHash.
-  private[kernel] def product1HashWithPrefix(_1Hash: Int, prefix: String): Int = {
+  private[kernel] def product1HashWithPrefix(_1Hash: Int, @unused prefix: String): Int = {
     import scala.util.hashing.MurmurHash3._
     var h = productSeed
     h = mix(h, _1Hash)
@@ -53,7 +53,7 @@ private[kernel] class HashCompat {
   }
 
   // Adapted from scala.util.hashing.MurmurHash#productHash.
-  private[cats] def product2HashWithPrefix(_1Hash: Int, _2Hash: Int, prefix: String): Int = {
+  private[cats] def product2HashWithPrefix(_1Hash: Int, _2Hash: Int, @unused prefix: String): Int = {
     import scala.util.hashing.MurmurHash3._
     var h = productSeed
     h = mix(h, _1Hash)
diff --git a/kernel/src/main/scala-2.12/cats/kernel/compat/unused.scala b/kernel/src/main/scala-2.12/cats/kernel/compat/unused.scala
new file mode 100644
index 0000000000..4140103951
--- /dev/null
+++ b/kernel/src/main/scala-2.12/cats/kernel/compat/unused.scala
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2015 Typelevel
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+package cats.kernel.compat
+
+import scala.annotation.nowarn
+
+/** Simulates the behaviour of `@unused` annotation originally implemented
+  * in Scala 2.13 and above.
+  */
+@nowarn("msg=subclassing ClassfileAnnotation does not\nmake your annotation visible at runtime.")
+final private[cats] class unused extends nowarn("cat=unused")
diff --git a/kernel/src/main/scala-2.13+/cats/kernel/compat/unused.scala b/kernel/src/main/scala-2.13+/cats/kernel/compat/unused.scala
new file mode 100644
index 0000000000..008906e437
--- /dev/null
+++ b/kernel/src/main/scala-2.13+/cats/kernel/compat/unused.scala
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2015 Typelevel
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+package cats.kernel.compat
+
+/** Simply reuse the annotation from Scala Library for Scala 2.13 and above. */
+final private[cats] class unused extends scala.annotation.unused
diff --git a/kernel/src/main/scala/cats/kernel/instances/MapInstances.scala b/kernel/src/main/scala/cats/kernel/instances/MapInstances.scala
index f55ec241b5..8cc84e4a8f 100644
--- a/kernel/src/main/scala/cats/kernel/instances/MapInstances.scala
+++ b/kernel/src/main/scala/cats/kernel/instances/MapInstances.scala
@@ -42,12 +42,14 @@
 package cats.kernel
 package instances
 
+import cats.kernel.compat.scalaVersionSpecific._
+import cats.kernel.compat.unused
+
 import scala.collection.mutable
-import compat.scalaVersionSpecific._
 
 @suppressUnusedImportWarningForScalaVersionSpecific
 trait MapInstances extends MapInstances1 {
-  implicit def catsKernelStdHashForMap[K: Hash, V: Hash]: Hash[Map[K, V]] =
+  implicit def catsKernelStdHashForMap[K, V](implicit @unused K: Hash[K], V: Hash[V]): Hash[Map[K, V]] =
     new MapHash[K, V]
 
   implicit def catsKernelStdCommutativeMonoidForMap[K, V: CommutativeSemigroup]: CommutativeMonoid[Map[K, V]] =
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 5e8ded9691..a50d30fd18 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,4 +1,4 @@
-val sbtTypelevelVersion = "0.4.15"
+val sbtTypelevelVersion = "0.5.0-M5"
 addSbtPlugin("org.typelevel" % "sbt-typelevel" % sbtTypelevelVersion)
 addSbtPlugin("org.typelevel" % "sbt-typelevel-site" % sbtTypelevelVersion)
 addSbtPlugin("pl.project13.scala" % "sbt-jmh" % "0.4.3")