diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 82cefe3..4772c86 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -16,7 +16,7 @@ jobs:
           - nightly
           - 1.46.0 # MSRV
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3.1.0
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
@@ -36,7 +36,7 @@ jobs:
           - nightly
           - 1.46.0 # MSRV
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3.1.0
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
@@ -51,7 +51,7 @@ jobs:
     name: Rustfmt
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3.1.0
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: nightly
@@ -67,7 +67,7 @@ jobs:
     name: Clippy
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3.1.0
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: nightly
@@ -82,7 +82,7 @@ jobs:
     name: Docs
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3.1.0
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
@@ -97,7 +97,7 @@ jobs:
     name: README
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3.1.0
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: nightly
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 20786e7..b703264 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -12,7 +12,7 @@ jobs:
     steps:
 
       - name: checkout source
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3.1.0
 
       - name: Install nightly toolchain
         uses: actions-rs/toolchain@v1