diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 8e92c5d..d899b92 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -8,7 +8,7 @@ jobs:
     name: Run formatter
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: actions/setup-python@v4
         with:
           python-version: "3.10"
@@ -21,7 +21,7 @@ jobs:
     name: Run linter
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: actions/setup-python@v4
         with:
           python-version: "3.10"
@@ -34,7 +34,7 @@ jobs:
     name: Run typechecker
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: actions/setup-python@v4
         with:
           python-version: "3.10"
@@ -56,7 +56,7 @@ jobs:
             toxenv: "py39"
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - uses: actions/setup-python@v4
         with:
@@ -72,7 +72,7 @@ jobs:
     name: Build source distribution
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - uses: actions/setup-python@v4
         with:
@@ -102,7 +102,7 @@ jobs:
         os: [ubuntu-20.04, windows-2019, macOS-10.15]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - uses: actions/setup-python@v4
         with: