diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1a7974f..c00eebd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -92,7 +92,7 @@ jobs:
 
       - name: Restore build cache
         if: runner.os != 'Windows'
-        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
         with:
           path: ${{ matrix.cache-path }}
           key: build-cache-${{ matrix.os }}-debug-${{ hashFiles('versions.cmake', 'src/sources.cmake') }}-${{ github.sha }}
@@ -162,7 +162,7 @@ jobs:
         run: brew install ccache
 
       - name: Restore build cache
-        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
         with:
           path: ~/Library/Caches/ccache
           key: build-cache-macos-15-${{ hashFiles('versions.cmake', 'src/sources.cmake') }}-${{ github.sha }}
@@ -228,7 +228,7 @@ jobs:
         run: sudo apt-get install -y ccache
 
       - name: Restore build cache
-        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
         with:
           path: ~/.cache/ccache
           key: build-cache-ubuntu-24.04-${{ hashFiles('versions.cmake', 'src/sources.cmake') }}-${{ github.sha }}