diff --git a/.github/workflows/prometheus.yml b/.github/workflows/prometheus.yml
index 27249f20..a06e40cf 100644
--- a/.github/workflows/prometheus.yml
+++ b/.github/workflows/prometheus.yml
@@ -25,7 +25,7 @@ jobs:
         with:
           path: "otel_cpp_contrib"
       - name: Mount Bazel Cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         env:
           cache-name: bazel_cache
         with:
@@ -45,7 +45,7 @@ jobs:
         with:
           path: "otel_cpp_contrib"
       - name: Mount Bazel Cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         env:
           cache-name: bazel_cache
         with:
diff --git a/.github/workflows/webserver.yml b/.github/workflows/webserver.yml
index 9bebbd5e..210864b7 100644
--- a/.github/workflows/webserver.yml
+++ b/.github/workflows/webserver.yml
@@ -28,7 +28,7 @@ jobs:
         with:
           install: true
       - name: cache docker layers
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: /tmp/buildx-cache/
           key: apache-ubuntu-20.04-${{ github.sha }}
@@ -72,7 +72,7 @@ jobs:
         with:
           install: true
       # - name: cache docker layers
-      #   uses: actions/cache@v3
+      #   uses: actions/cache@v4
       #   with:
       #     path: /tmp/buildx-cache/
       #     key: apache-centos7-${{ github.sha }}
@@ -141,7 +141,7 @@ jobs:
         with:
           install: true
       # - name: cache docker layers
-      #   uses: actions/cache@v3
+      #   uses: actions/cache@v4
       #   with:
       #     path: /tmp/buildx-cache/
       #     key: apache-almalinux8-${{ github.sha }}