diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ff1d44e..60ffc36 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -55,7 +55,7 @@ jobs:
 
       - name: cache extlib
         id: cache-extlib
-        uses: actions/cache@v4
+        uses: actions/cache@v6
         with:
           key: extlib-${{ runner.os }}-${{ hashFiles('./s2e-core/ExtLibraries/**') }}
           path: ./s2e-core/ExtLibraries
@@ -155,7 +155,7 @@ jobs:
 
       - name: cache extlib
         id: cache-extlib
-        uses: actions/cache@v4
+        uses: actions/cache@v6
         with:
           key: extlib-${{ runner.os }}-${{ hashFiles('./s2e-core/ExtLibraries/**') }}-${{ matrix.build_bit }}
           path: ./s2e-core/ExtLibraries