diff --git a/.github/workflows/crap.yml b/.github/workflows/crap.yml
index 2280889..1109b1c 100644
--- a/.github/workflows/crap.yml
+++ b/.github/workflows/crap.yml
@@ -50,7 +50,7 @@ jobs:
     steps:
       - uses: actions/checkout@v7
 
-      - uses: actions/cache@v5
+      - uses: actions/cache@v6
         with:
           path: |
             ~/.cargo/bin/
diff --git a/.github/workflows/miri.yml b/.github/workflows/miri.yml
index 5cf576c..8dd7c78 100644
--- a/.github/workflows/miri.yml
+++ b/.github/workflows/miri.yml
@@ -45,7 +45,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
 
-      - uses: actions/cache@v5
+      - uses: actions/cache@v6
         with:
           path: |
             ~/.cargo/registry/index/
diff --git a/.github/workflows/mutants.yml b/.github/workflows/mutants.yml
index ef468be..0b991ed 100644
--- a/.github/workflows/mutants.yml
+++ b/.github/workflows/mutants.yml
@@ -58,7 +58,7 @@ jobs:
           # `--in-diff`.
           fetch-depth: 0
 
-      - uses: actions/cache@v5
+      - uses: actions/cache@v6
         with:
           path: |
             ~/.cargo/bin/
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 17468a9..e7b7ed4 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -20,7 +20,7 @@ jobs:
     steps:
       - uses: actions/checkout@v7
 
-      - uses: actions/cache@v5
+      - uses: actions/cache@v6
         with:
           path: |
             ~/.cargo/bin/