diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d37b24c..d1b0965 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,7 +27,7 @@ jobs:
           components: rustfmt, clippy
 
       - name: Cache cargo registry & build artifacts
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/bin/
@@ -185,7 +185,7 @@ jobs:
           targets: wasm32-unknown-unknown
 
       - name: Cache cargo registry & build artifacts
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/bin/
diff --git a/.github/workflows/soroban-deploy.yml b/.github/workflows/soroban-deploy.yml
index 4a4298b..b847931 100644
--- a/.github/workflows/soroban-deploy.yml
+++ b/.github/workflows/soroban-deploy.yml
@@ -51,7 +51,7 @@ jobs:
           components: rustfmt, clippy
 
       - name: Cache cargo build artifacts
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/registry