diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c197081..cd97f9c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,7 +28,7 @@ jobs:
           python-version: "3.12"
 
       - name: Cache pip
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-lint-${{ hashFiles('pyproject.toml') }}
@@ -54,7 +54,7 @@ jobs:
           python-version: "3.12"
 
       - name: Cache pip
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-typecheck-${{ hashFiles('pyproject.toml') }}
@@ -79,7 +79,7 @@ jobs:
           python-version: "3.12"
 
       - name: Cache pip
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-security-${{ hashFiles('pyproject.toml') }}
@@ -112,7 +112,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Cache pip
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-test-${{ matrix.python-version }}-${{ hashFiles('pyproject.toml') }}
@@ -153,7 +153,7 @@ jobs:
           python-version: "3.12"
 
       - name: Cache pip
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-docs-${{ hashFiles('pyproject.toml') }}