diff --git a/.github/workflows/check-flake.yml b/.github/workflows/check-flake.yml
index c28e7dfb..c7999a5e 100644
--- a/.github/workflows/check-flake.yml
+++ b/.github/workflows/check-flake.yml
@@ -17,7 +17,7 @@ jobs:
           egress-policy: audit
 
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
-      - uses: DeterminateSystems/nix-installer-action@ef8a148080ab6020fd15196c2084a2eea5ff2d25 # v22
+      - uses: DeterminateSystems/nix-installer-action@3138316df39ed29be04236d7ffc686fa525866aa # v23
       - uses: DeterminateSystems/magic-nix-cache-action@84c0677f58dcedf3b91f8223ce36a9ea5b3c84b7 # v15
         with:
           use-flakehub: false
diff --git a/.github/workflows/update-flake-dependencies.yml b/.github/workflows/update-flake-dependencies.yml
index 952f293f..7ecc41ea 100644
--- a/.github/workflows/update-flake-dependencies.yml
+++ b/.github/workflows/update-flake-dependencies.yml
@@ -23,7 +23,7 @@ jobs:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           token: ${{ steps.app-token.outputs.token }}
-      - uses: DeterminateSystems/nix-installer-action@ef8a148080ab6020fd15196c2084a2eea5ff2d25 # v22
+      - uses: DeterminateSystems/nix-installer-action@3138316df39ed29be04236d7ffc686fa525866aa # v23
       - uses: DeterminateSystems/magic-nix-cache-action@84c0677f58dcedf3b91f8223ce36a9ea5b3c84b7 # v15
         with:
           use-flakehub: false