diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index ca868c7c..13692454 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -102,7 +102,7 @@ jobs:
           tee -a <<<"hash=${hash%-}" $GITHUB_OUTPUT
       - name: Check test dependency repositories cache
         id: test-deps-cache
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ${{ fromJSON(steps.test-deps-cache-params.outputs.paths) }}
           key: ${{ matrix.os }}-${{ steps.test-deps-cache-params.outputs.hash }}
@@ -129,7 +129,7 @@ jobs:
         run: |
           .github/scripts/install-deps.sh macos lld
       - name: Cache library deps
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ${{ env.DEPS_ROOT_DIR }}/*-tmp/
           key: dep-srcs-${{ hashFiles('cmake/deps.cmake') }}
@@ -164,7 +164,7 @@ jobs:
           tee -a <<<"hash=${hash%-}" $GITHUB_OUTPUT
       - name: Check test dependency repositories cache
         id: test-deps-cache
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ${{ fromJSON(steps.test-deps-cache-params.outputs.paths) }}
           key: macos-26-${{ steps.test-deps-cache-params.outputs.hash }}
@@ -191,7 +191,7 @@ jobs:
         run: |
           bash .github/scripts/install-deps.sh ${{ matrix.os }}
       - name: Cache library deps
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ${{ env.DEPS_ROOT_DIR }}/*-tmp/
           key: dep-srcs-${{ hashFiles('cmake/deps.cmake') }}
@@ -227,7 +227,7 @@ jobs:
           tee -a <<<"hash=${hash%-}" $GITHUB_OUTPUT
       - name: Check test dependency repositories cache
         id: test-deps-cache
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ${{ fromJSON(steps.test-deps-cache-params.outputs.paths) }}
           key: ${{ matrix.os }}-${{ matrix.bits }}-${{ steps.test-deps-cache-params.outputs.hash }}
@@ -253,7 +253,7 @@ jobs:
         run: |
           .github/scripts/install-deps.sh ubuntu mingw${{ matrix.bits }}
       - name: Cache library deps
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ${{ env.DEPS_ROOT_DIR }}/*-tmp/
           key: dep-srcs-${{ hashFiles('cmake/deps.cmake') }}
@@ -321,7 +321,7 @@ jobs:
           tee -a <<<"hash=${hash%-}" $GITHUB_OUTPUT
       - name: Check test dependency repositories cache
         id: test-deps-cache
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ${{ fromJSON(steps.test-deps-cache-params.outputs.paths) }}
           key: mingw-${{ matrix.bits }}-${{ steps.test-deps-cache-params.outputs.hash }}
@@ -405,7 +405,7 @@ jobs:
       - name: Check test dependency repositories cache
         if: matrix.arch == 'x86_64'
         id: test-deps-cache
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ${{ fromJSON(steps.test-deps-cache-params.outputs.paths) }}
           key: cygwin-${{ matrix.bits }}-${{ steps.test-deps-cache-params.outputs.hash }}