diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index 08c069f46..df51fcb20 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -13,7 +13,7 @@ jobs:
     name: "Check & Clippy"
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Cache cargo registry
         uses: actions/cache@v2
@@ -51,7 +51,7 @@ jobs:
     name: "Documentation"
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Setup mdBook
         uses: peaceiris/actions-mdbook@v1
@@ -66,7 +66,7 @@ jobs:
     runs-on: ubuntu-latest
     name: "Formatting"
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - uses: actions-rs/toolchain@v1
         with:
diff --git a/.github/workflows/publish-docs.yml b/.github/workflows/publish-docs.yml
index 3a734e928..6237248b0 100644
--- a/.github/workflows/publish-docs.yml
+++ b/.github/workflows/publish-docs.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v3
 
       - name: Setup mdBook
         uses: peaceiris/actions-mdbook@v1
diff --git a/.github/workflows/rust-tests.yml b/.github/workflows/rust-tests.yml
index e16549421..89d6ba013 100644
--- a/.github/workflows/rust-tests.yml
+++ b/.github/workflows/rust-tests.yml
@@ -27,7 +27,7 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v3
 
       - name: Cache cargo registry
         uses: actions/cache@v2
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index 06ce86f55..abe1b642d 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -14,7 +14,7 @@ jobs:
     permissions: write-all
     name: "Audit Rust Dependencies"
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: rustsec/audit-check@master
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index de02b8e6b..2e01eee46 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -8,7 +8,7 @@ jobs:
     name: tests (Mac OS X latest)
     runs-on: macos-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Cache cargo registry
         uses: actions/cache@v2
@@ -73,7 +73,7 @@ jobs:
     runs-on: ${{ matrix.runner }}
     continue-on-error: ${{ matrix.continue-on-error == true }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Build ${{ matrix.name }}
         env: