diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index ff18050..7e29f87 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -9,7 +9,7 @@ jobs:
   check-style:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+      - uses: actions/checkout@9b4c13b0bfa31b4514c14f74b5a166c2708f43c6
       - name: Report cargo version
         run: cargo --version
       - name: Report rustfmt version
@@ -20,7 +20,7 @@ jobs:
   clippy-lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+      - uses: actions/checkout@9b4c13b0bfa31b4514c14f74b5a166c2708f43c6
       - name: Report cargo version
         run: cargo --version
       - name: Report Clippy version
@@ -38,7 +38,7 @@ jobs:
       matrix:
         os: [ubuntu-latest, macos-latest]
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+      - uses: actions/checkout@9b4c13b0bfa31b4514c14f74b5a166c2708f43c6
       - name: Report cargo version
         run: cargo --version
       - name: Report rustc version