diff --git a/.github/workflows/check.yaml b/.github/workflows/check.yaml
index 74fc1ad..afb6145 100644
--- a/.github/workflows/check.yaml
+++ b/.github/workflows/check.yaml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
-      - uses: DeterminateSystems/nix-installer-action@c5a866b6ab867e88becbed4467b93592bce69f8a # v21
+      - uses: DeterminateSystems/nix-installer-action@ef8a148080ab6020fd15196c2084a2eea5ff2d25 # v22
         with:
           extra-conf: |
             accept-flake-config = true
diff --git a/.github/workflows/update.yaml b/.github/workflows/update.yaml
index a7a42ac..5db9bfb 100644
--- a/.github/workflows/update.yaml
+++ b/.github/workflows/update.yaml
@@ -11,7 +11,7 @@ jobs:
     steps:
       - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
       - uses: fregante/setup-git-user@024bc0b8e177d7e77203b48dab6fb45666854b35 # v2
-      - uses: DeterminateSystems/nix-installer-action@c5a866b6ab867e88becbed4467b93592bce69f8a # v21
+      - uses: DeterminateSystems/nix-installer-action@ef8a148080ab6020fd15196c2084a2eea5ff2d25 # v22
         with:
           extra-conf: |
             accept-flake-config = true