diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index cb099978..1961ea98 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -64,7 +64,7 @@ jobs:
 
       - name: Cache sphinx fonts
         if: env.PUBLISH == 'true'
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ~/.cache/sphinx-fonts
           key: sphinx-fonts-${{ hashFiles('docs/conf.py') }}
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 6d6496af..2189e46a 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -36,7 +36,7 @@ jobs:
 
       - name: Setup tmux build cache for tmux ${{ matrix.tmux-version }}
         id: tmux-build-cache
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ~/tmux-builds/tmux-${{ matrix.tmux-version }}
           key: tmux-${{ matrix.tmux-version }}