diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index 9a779a95e..2aea6fcba 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -19,7 +19,7 @@ jobs:
     timeout-minutes: 30
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2.3.5
+    - uses: actions/checkout@v2.4.0
       with:
         persist-credentials: false
 
@@ -54,7 +54,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 30
     steps:
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f1b20f031..78842f19b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,7 +24,7 @@ jobs:
       RUST_BACKTRACE: full
 
     steps:
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
         with:
           persist-credentials: false
 
@@ -112,7 +112,7 @@ jobs:
 
 
     steps:
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
         with:
           persist-credentials: false
 
@@ -149,7 +149,7 @@ jobs:
       RUST_BACKTRACE: full
 
     steps:
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
         with:
           persist-credentials: false
 
@@ -187,7 +187,7 @@ jobs:
       RUST_BACKTRACE: full
 
     steps:
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
         with:
           persist-credentials: false
 
@@ -229,7 +229,7 @@ jobs:
       RUST_BACKTRACE: full
 
     steps:
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 034190003..887423c1d 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -17,7 +17,7 @@ jobs:
     timeout-minutes: 60
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index ca6cd2a9a..1b986aa92 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout the source code
-      uses: actions/checkout@v2.3.5
+      uses: actions/checkout@v2.4.0
       with:
         persist-credentials: false
 
diff --git a/.github/workflows/manual-deploy.yml b/.github/workflows/manual-deploy.yml
index 2d85df2ec..d58e20311 100644
--- a/.github/workflows/manual-deploy.yml
+++ b/.github/workflows/manual-deploy.yml
@@ -17,7 +17,7 @@ jobs:
     name: Deploy one zebrad node
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2.3.5
+    - uses: actions/checkout@v2.4.0
       with:
         persist-credentials: false
         
diff --git a/.github/workflows/regenerate-stateful-test-disks.yml b/.github/workflows/regenerate-stateful-test-disks.yml
index 13071af55..388b1ffbe 100644
--- a/.github/workflows/regenerate-stateful-test-disks.yml
+++ b/.github/workflows/regenerate-stateful-test-disks.yml
@@ -16,7 +16,7 @@ jobs:
     name: Regenerate test state
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index fcfbea1df..2e389c0f4 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -16,7 +16,7 @@ jobs:
     name: Run all tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/zcashd-manual-deploy.yml b/.github/workflows/zcashd-manual-deploy.yml
index 507a633b0..e56fc89e7 100644
--- a/.github/workflows/zcashd-manual-deploy.yml
+++ b/.github/workflows/zcashd-manual-deploy.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 30
     steps:
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
         with:
           persist-credentials: false