diff --git a/.github/workflows/anaconda_alpine_ci.yml b/.github/workflows/anaconda_alpine_ci.yml
index abf384a4..88da3d4b 100644
--- a/.github/workflows/anaconda_alpine_ci.yml
+++ b/.github/workflows/anaconda_alpine_ci.yml
@@ -14,7 +14,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@a12a3943b4bdde767164f792f33f40b04645d846
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
 
       - name: Set up Docker Buildx
         id: buildx
diff --git a/.github/workflows/anaconda_amazonlinux_ci.yml b/.github/workflows/anaconda_amazonlinux_ci.yml
index 349afaa3..78bf6e21 100644
--- a/.github/workflows/anaconda_amazonlinux_ci.yml
+++ b/.github/workflows/anaconda_amazonlinux_ci.yml
@@ -16,7 +16,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@a12a3943b4bdde767164f792f33f40b04645d846
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
 
       - name: Login to DockerHub
         uses: docker/login-action@dd4fa0671be5250ee6f50aedf4cb05514abda2c7
diff --git a/.github/workflows/anaconda_debian_ci.yml b/.github/workflows/anaconda_debian_ci.yml
index a58e00b1..e3ecd836 100644
--- a/.github/workflows/anaconda_debian_ci.yml
+++ b/.github/workflows/anaconda_debian_ci.yml
@@ -16,7 +16,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@a12a3943b4bdde767164f792f33f40b04645d846
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
 
       - name: Login to DockerHub
         uses: docker/login-action@dd4fa0671be5250ee6f50aedf4cb05514abda2c7
diff --git a/.github/workflows/anaconda_pkg_build_linux.yml b/.github/workflows/anaconda_pkg_build_linux.yml
index e13c731e..99d622d9 100644
--- a/.github/workflows/anaconda_pkg_build_linux.yml
+++ b/.github/workflows/anaconda_pkg_build_linux.yml
@@ -16,7 +16,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@a12a3943b4bdde767164f792f33f40b04645d846
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
 
       - name: Login to DockerHub
         uses: docker/login-action@dd4fa0671be5250ee6f50aedf4cb05514abda2c7
diff --git a/.github/workflows/concourse_rsync_resource.yml b/.github/workflows/concourse_rsync_resource.yml
index 110ae57c..224464d6 100644
--- a/.github/workflows/concourse_rsync_resource.yml
+++ b/.github/workflows/concourse_rsync_resource.yml
@@ -16,7 +16,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@a12a3943b4bdde767164f792f33f40b04645d846
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
         with:
           submodules: true
 
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 710af445..be993e4e 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -13,7 +13,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@a12a3943b4bdde767164f792f33f40b04645d846
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
       - name: Lint Dockerfiles
         run: |
           echo "::add-matcher::.github/hadolint-matcher.json"
diff --git a/.github/workflows/miniconda_alpine_ci.yml b/.github/workflows/miniconda_alpine_ci.yml
index 19bdb47d..f359ee79 100644
--- a/.github/workflows/miniconda_alpine_ci.yml
+++ b/.github/workflows/miniconda_alpine_ci.yml
@@ -16,7 +16,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@a12a3943b4bdde767164f792f33f40b04645d846
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
 
       - name: Login to DockerHub
         uses: docker/login-action@dd4fa0671be5250ee6f50aedf4cb05514abda2c7
diff --git a/.github/workflows/miniconda_debian_ci.yml b/.github/workflows/miniconda_debian_ci.yml
index a930de54..58ff3d1b 100644
--- a/.github/workflows/miniconda_debian_ci.yml
+++ b/.github/workflows/miniconda_debian_ci.yml
@@ -16,7 +16,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@a12a3943b4bdde767164f792f33f40b04645d846
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
 
       - name: Login to DockerHub
         uses: docker/login-action@dd4fa0671be5250ee6f50aedf4cb05514abda2c7
diff --git a/.github/workflows/miniconda_nanoserver_ci.yml b/.github/workflows/miniconda_nanoserver_ci.yml
index 4f86fba5..82321d50 100644
--- a/.github/workflows/miniconda_nanoserver_ci.yml
+++ b/.github/workflows/miniconda_nanoserver_ci.yml
@@ -16,7 +16,7 @@ jobs:
   build:
     runs-on: windows-2019
     steps:
-      - uses: actions/checkout@a12a3943b4bdde767164f792f33f40b04645d846
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
 
       - name: Login to DockerHub
         uses: docker/login-action@dd4fa0671be5250ee6f50aedf4cb05514abda2c7