diff --git a/.github/workflows/macos-linux-windows-pixi.yml b/.github/workflows/macos-linux-windows-pixi.yml
index b3501224..f5cdb444 100644
--- a/.github/workflows/macos-linux-windows-pixi.yml
+++ b/.github/workflows/macos-linux-windows-pixi.yml
@@ -67,7 +67,7 @@ jobs:
       with:
         submodules: recursive
 
-    - uses: actions/cache@v4
+    - uses: actions/cache@v5
       with:
         path: .ccache
         key: ccache-macos-linux-windows-pixi-${{ matrix.os }}-${{ matrix.build_type }}-${{ matrix.cxx_options }}-${{ matrix.environment }}-${{ github.sha }}
diff --git a/.github/workflows/reloc.yml b/.github/workflows/reloc.yml
index 9bd5ce74..941ab58c 100644
--- a/.github/workflows/reloc.yml
+++ b/.github/workflows/reloc.yml
@@ -38,7 +38,7 @@ jobs:
       with:
         submodules: recursive
 
-    - uses: actions/cache@v4
+    - uses: actions/cache@v5
       with:
         path: ${{ env.CCACHE_DIR }}
         key: reloc