diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 462f87c..5663053 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -26,7 +26,7 @@ jobs:
 
       # cache the cargo registry & index
       - name: Cache cargo outputs
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/registry
@@ -35,7 +35,7 @@ jobs:
 
       # cache our build outputs
       - name: Cache build outputs
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             target