diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 730eaf0dd..4d6c1c14c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ jobs:
   test-ubuntu-latest:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
     - name: make
       run: make
     - name: test
@@ -20,21 +20,21 @@ jobs:
   build-ubuntu-old:
     runs-on: ubuntu-16.04
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
     - name: make
       run: make
 
   build-macos-latest:
     runs-on: macos-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
     - name: make
       run: make
 
   build-32bit:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
     - name: make
       run: |
         sudo apt-get update && sudo apt-get install libc6-dev-i386
@@ -43,7 +43,7 @@ jobs:
   build-libc-malloc:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
     - name: make
       run: make MALLOC=libc
 
diff --git a/.github/workflows/daily.yml b/.github/workflows/daily.yml
index 5614aad1e..5b5f3f7d4 100644
--- a/.github/workflows/daily.yml
+++ b/.github/workflows/daily.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 14400
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
     - name: make
       run: make
     - name: test
@@ -32,7 +32,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 14400
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
     - name: make
       run: make MALLOC=libc
     - name: test
@@ -50,7 +50,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 14400
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
     - name: make
       run: |
         sudo apt-get update && sudo apt-get install libc6-dev-i386
@@ -72,7 +72,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 14400
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
     - name: make
       run: |
         make BUILD_TLS=yes
@@ -92,7 +92,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 14400
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
     - name: make
       run: make valgrind
     - name: test