diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ac7d3f2..d6ee62d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: DeterminateSystems/nix-installer-action@v11
+      - uses: DeterminateSystems/nix-installer-action@v12
       - uses: DeterminateSystems/magic-nix-cache-action@v7
 
       # Evaluate the devshell here so that the time reported for subsequent
@@ -44,7 +44,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: DeterminateSystems/nix-installer-action@v11
+      - uses: DeterminateSystems/nix-installer-action@v12
       - uses: DeterminateSystems/magic-nix-cache-action@v7
 
       - name: Build