diff --git a/.github/workflows/bench.yml b/.github/workflows/bench.yml
index 9d9a0d6..15f92ca 100644
--- a/.github/workflows/bench.yml
+++ b/.github/workflows/bench.yml
@@ -42,7 +42,7 @@ jobs:
           toolchain: '1.88.0'
 
       - name: Cache cargo registry & target
-        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
         with:
           path: |
             ~/.cargo/registry
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5874226..40eca42 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,7 +31,7 @@ jobs:
           rustup default stable
 
       - name: Cache cargo registry & build
-        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v5
         with:
           path: |
             ~/.cargo/registry
@@ -304,7 +304,7 @@ jobs:
       - name: Install cargo-fuzz
         run: cargo install cargo-fuzz --locked
       - name: Restore fuzz corpus cache
-        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v5
         with:
           path: fuzz/corpus
           key: fuzz-corpus-${{ github.sha }}
@@ -389,7 +389,7 @@ jobs:
           rustup toolchain install stable --profile minimal
           rustup default stable
       - name: Cache cargo registry & build
-        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v5
         with:
           path: |
             ~/.cargo/registry
@@ -533,7 +533,7 @@ jobs:
           rustup toolchain install stable --profile minimal
           rustup default stable
       - name: Cache cargo registry & build
-        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v5
         with:
           path: |
             ~/.cargo/registry
diff --git a/.github/workflows/mutation-testing.yml b/.github/workflows/mutation-testing.yml
index e5b0c26..903ddaf 100644
--- a/.github/workflows/mutation-testing.yml
+++ b/.github/workflows/mutation-testing.yml
@@ -38,7 +38,7 @@ jobs:
           rustup toolchain install stable --profile minimal
           rustup default stable
       - name: Cache cargo
-        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v5
         with:
           path: |
             ~/.cargo/registry