diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e002a870..69fc75e5 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -164,7 +164,7 @@ jobs:
 
       - name: Cache conan packages (Windows)
         if: startsWith(matrix.os, 'windows')
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           key: ${{ runner.os }}-conan-user-${{ hashFiles('**/conanfile.py') }}-QT6
           path: ~/.conan2/
diff --git a/.github/workflows/test-windows.yml b/.github/workflows/test-windows.yml
index 302abbc4..97a1a774 100644
--- a/.github/workflows/test-windows.yml
+++ b/.github/workflows/test-windows.yml
@@ -66,7 +66,7 @@ jobs:
             sccache-test-${{ matrix.os }}-${{ matrix.qt-version }}
 
       - name: Cache conan packages
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           key: ${{ runner.os }}-conan-user-${{ hashFiles('**/conanfile.py') }}${{ env.C2_CONAN_CACHE_SUFFIX }}
           path: ~/.conan2/