diff --git a/.github/workflows/ets-from-source.yml b/.github/workflows/ets-from-source.yml
index 0cdee8f8..d27a2dfb 100644
--- a/.github/workflows/ets-from-source.yml
+++ b/.github/workflows/ets-from-source.yml
@@ -31,7 +31,7 @@ jobs:
       - name: Install necessary packages to the bootstrap environment
         run: python -m pip install -r .github/workflows/bootstrap-requirements.txt
       - name: Cache EDM packages
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.cache
           key: ${{ runner.os }}-${{ matrix.runtime }}-${{ hashFiles('etstool.py') }}
diff --git a/.github/workflows/test-with-edm.yml b/.github/workflows/test-with-edm.yml
index b5a73935..8c6f65fc 100644
--- a/.github/workflows/test-with-edm.yml
+++ b/.github/workflows/test-with-edm.yml
@@ -31,7 +31,7 @@ jobs:
       - name: Install necessary packages to the bootstrap environment
         run: python -m pip install -r .github/workflows/bootstrap-requirements.txt
       - name: Cache EDM packages
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.cache
           key: ${{ runner.os }}-${{ matrix.runtime }}-${{ hashFiles('etstool.py') }}