diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index d7b3896f66..7303ff56d3 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -15,7 +15,7 @@ jobs:
     name: Rustfmt
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
       with:
         submodules: true
     - uses: ./.github/actions/install-rust
@@ -28,7 +28,7 @@ jobs:
     name: Doc - build the book
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
       with:
         submodules: true
     - run: |
@@ -50,7 +50,7 @@ jobs:
     name: Doc - build the API documentation
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
       with:
         submodules: true
     - uses: ./.github/actions/install-rust
@@ -70,7 +70,7 @@ jobs:
     name: Check
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
       with:
         submodules: true
     - uses: ./.github/actions/install-rust
@@ -112,7 +112,7 @@ jobs:
     name: Fuzz Targets
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
       with:
         submodules: true
     - uses: ./.github/actions/install-rust
@@ -127,7 +127,7 @@ jobs:
     name: Rebuild Peephole Optimizers
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
       with:
         submodules: true
     - name: Test `peepmatic`
@@ -175,7 +175,7 @@ jobs:
             os: windows-latest
             rust: stable
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
       with:
         submodules: true
     - uses: ./.github/actions/install-rust
@@ -245,7 +245,7 @@ jobs:
     name: Meta deterministic check
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
       with:
         submodules: true
     - name: Install Rust
@@ -284,7 +284,7 @@ jobs:
           qemu: qemu-aarch64 -L /usr/aarch64-linux-gnu
           qemu_target: aarch64-linux-user
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
       with:
         submodules: true
     - uses: ./.github/actions/install-rust
@@ -407,7 +407,7 @@ jobs:
     needs: [doc_book, doc_api, build]
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
       with:
         submodules: true
     - run: rustup update stable && rustup default stable
@@ -513,7 +513,7 @@ jobs:
       CARGO_AUDIT_VERSION: 0.11.2
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
     - uses: actions/cache@v1
       with:
         path: ${{ runner.tool_cache }}/cargo-audit