diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c881a4febe..c8772a340f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -45,7 +45,7 @@ jobs:
         # Without restore keys, we lose the ability to get partial matches on caches, and end
         # up with too many cache misses.
         # Use a "small" suffix to use the build caches where possible, but build caches won't use this
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ~/.cargo/registry/index
@@ -85,7 +85,7 @@ jobs:
         # Rust-cache disables a key feature of actions/cache: restoreKeys.
         # Without restore keys, we lose the ability to get partial matches on caches, and end
         # up with too many cache misses.
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ~/.cargo/registry/index