diff --git a/.github/workflows/flatpak-test.yml b/.github/workflows/flatpak-test.yml
index 1f75344..98cf30c 100644
--- a/.github/workflows/flatpak-test.yml
+++ b/.github/workflows/flatpak-test.yml
@@ -23,7 +23,7 @@ jobs:
           ref: OpenVCS
 
       - name: Cache Flatpak SDK and build
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.local/share/flatpak
diff --git a/.github/workflows/publish-stable.yml b/.github/workflows/publish-stable.yml
index 837d77e..d117b5e 100644
--- a/.github/workflows/publish-stable.yml
+++ b/.github/workflows/publish-stable.yml
@@ -46,7 +46,7 @@ jobs:
 
       - name: Cache Flatpak SDK and build
         if: matrix.platform == 'ubuntu-24.04' && env.OPENVCS_ENABLE_FLATPAK == '1'
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.local/share/flatpak