diff --git a/.github/workflows/environments.yml b/.github/workflows/environments.yml
index a91d7b70..aa124dbf 100644
--- a/.github/workflows/environments.yml
+++ b/.github/workflows/environments.yml
@@ -21,7 +21,7 @@ jobs:
         - rofi-unicode
         - keepass
     steps:
-    - uses: actions/checkout@v2.3.1
+    - uses: actions/checkout@v2.3.4
     - uses: cachix/install-nix-action@v12
       with:
         install_url: https://github.com/numtide/nix-flakes-installer/releases/download/nix-2.4pre20210207_fd6eaa1/install
@@ -43,7 +43,7 @@ jobs:
         - tux-nixos
         - WS0005
     steps:
-    - uses: actions/checkout@v2.3.1
+    - uses: actions/checkout@v2.3.4
       with: { fetch-depth: 0 }
     - uses: cachix/install-nix-action@v12
       with: