diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ec3a53c..7db5a73 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -51,7 +51,7 @@ jobs:
         run: git fetch --force --tags origin
 
       - name: Cache PlatformIO
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           key: ${{ runner.os }}-pio
           path: |
@@ -122,7 +122,7 @@ jobs:
         run: git fetch --force --tags origin
 
       - name: Cache PlatformIO
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           key: ${{ runner.os }}-pio
           path: |
@@ -211,7 +211,7 @@ jobs:
         run: git fetch --force --tags origin
 
       - name: Cache PlatformIO
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           key: ${{ runner.os }}-pio
           path: |
diff --git a/.github/workflows/cpplint.yml b/.github/workflows/cpplint.yml
index b03d341..28f70aa 100644
--- a/.github/workflows/cpplint.yml
+++ b/.github/workflows/cpplint.yml
@@ -22,7 +22,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Cache
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           key: ${{ runner.os }}-cpplint
           path: ~/.cache/pip