diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 000323cd6..39d0a769a 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -14,7 +14,7 @@ jobs:
           go-version: '1.24.2'
 
       - name: Check go mod cache
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/go/pkg/mod
           key: ${{ runner.os }}-chain-${{ hashFiles('**/go.sum') }}
diff --git a/.github/workflows/simulation.yml b/.github/workflows/simulation.yml
index 761e8a975..1f6b5ce11 100644
--- a/.github/workflows/simulation.yml
+++ b/.github/workflows/simulation.yml
@@ -13,7 +13,7 @@ jobs:
           check-latest: true
       - name: Install runsim
         run: go install github.com/cosmos/tools/cmd/runsim@v1.0.0
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: ~/go/bin
           key: ${{ runner.os }}-go-binary
@@ -28,7 +28,7 @@ jobs:
         with:
           go-version: "1.24.2"
           check-latest: true
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: ~/go/bin
           key: ${{ runner.os }}-go-binary
@@ -46,7 +46,7 @@ jobs:
         with:
           go-version: "1.24.2"
           check-latest: true
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: ~/go/bin
           key: ${{ runner.os }}-go-binary
@@ -64,7 +64,7 @@ jobs:
         with:
           go-version: "1.24.2"
           check-latest: true
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: ~/go/bin
           key: ${{ runner.os }}-go-binary
@@ -82,7 +82,7 @@ jobs:
         with:
           go-version: "1.24.2"
           check-latest: true
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: ~/go/bin
           key: ${{ runner.os }}-go-binary