diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 575f555..9740ae8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -34,7 +34,7 @@ jobs:
           echo "swift_hash=$swift_hash" >> "$GITHUB_OUTPUT"
 
       - name: Cache SwiftPM build artifacts (.build)
-        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
         with:
           path: .build
           key: spm-${{ runner.os }}-${{ runner.arch }}-${{ steps.toolchain.outputs.swift_hash }}-${{ hashFiles('Package.swift', '**/Package.resolved', 'justfile') }}-${{ hashFiles('Sources/**', 'Tests/**') }}