diff --git a/.github/workflows/check.dhall b/.github/workflows/check.dhall
index fd2c7fe..e426dfa 100644
--- a/.github/workflows/check.dhall
+++ b/.github/workflows/check.dhall
@@ -13,7 +13,7 @@ let check =
           , uses = Some "DeterminateSystems/flake-checker-action@v8"
           }
         , GithubActions.Step::{
-          , uses = Some "DeterminateSystems/nix-installer-action@v11"
+          , uses = Some "DeterminateSystems/nix-installer-action@v12"
           }
         , GithubActions.Step::{
           , uses = Some "DeterminateSystems/magic-nix-cache-action@v7"
diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 983ab91..cc44de7 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -6,7 +6,7 @@ jobs:
     steps:
     - uses: "actions/checkout@v4.1.7"
     - uses: "DeterminateSystems/flake-checker-action@v8"
-    - uses: "DeterminateSystems/nix-installer-action@v11"
+    - uses: "DeterminateSystems/nix-installer-action@v12"
     - uses: "DeterminateSystems/magic-nix-cache-action@v7"
     - run: "nix flake check --show-trace"
 name: check