diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a7db649b..8bb95f6d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -35,7 +35,7 @@ jobs:
           # Required by lib/github/commands/rest2html (RST rendering)
           python-version: "3.x"
 
-      - uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
+      - uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip