diff --git a/.github/workflows/github-page.yml b/.github/workflows/github-page.yml
index 9b6aa29..3a9b485 100644
--- a/.github/workflows/github-page.yml
+++ b/.github/workflows/github-page.yml
@@ -44,7 +44,7 @@ jobs:
         ghc-version: ${{ matrix.ghc }}
         cabal-version: 'head'
 
-    - uses: actions/cache@v4
+    - uses: actions/cache@v6
       name: Cache cabal store
       with:
         path: ${{ steps.setup-haskell.outputs.cabal-store }}
diff --git a/.github/workflows/haskell.yml b/.github/workflows/haskell.yml
index 902d6f7..35c0efd 100644
--- a/.github/workflows/haskell.yml
+++ b/.github/workflows/haskell.yml
@@ -53,14 +53,14 @@ jobs:
         cat dist-newstyle/cache/plan.json | jq -r '."install-plan"[].id' | sort | uniq > dependencies.txt
         echo "weeknum=$(/bin/date -u "+%W")" >> $GITHUB_OUTPUT
 
-    - uses: actions/cache@v5
+    - uses: actions/cache@v6
       name: "Cache cabal store"
       with:
         path: ${{ runner.os == 'Windows' && steps.win-setup-haskell.outputs.cabal-store || steps.setup-haskell.outputs.cabal-store }}
         key: cache-dependencies-${{ env.CACHE_VERSION }}-${{ runner.os }}-${{ matrix.ghc }}-${{ hashFiles('dependencies.txt') }}
         restore-keys: cache-dependencies-${{ env.CACHE_VERSION }}-${{ runner.os }}-${{ matrix.ghc }}
 
-    - uses: actions/cache@v5
+    - uses: actions/cache@v6
       name: "Cache `dist-newstyle`"
       with:
         path: |
@@ -108,7 +108,7 @@ jobs:
       run: |
         echo "$HOME/.cabal/bin" >> $GITHUB_PATH
 
-    - uses: actions/cache@v5
+    - uses: actions/cache@v6
       name: "Cache `stylish-haskell`"
       with:
         path: ~/.cabal/bin/stylish-haskell