diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index e2b67106..5d7d638e 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v7
-      - uses: DeterminateSystems/nix-installer-action@v19
+      - uses: DeterminateSystems/nix-installer-action@v22
       - uses: DeterminateSystems/magic-nix-cache-action@v14
       - name: Run ruff
         run: nix shell --inputs-from . nixpkgs#ruff -c ruff check backend --output-format=concise --exclude database/migrations
@@ -31,7 +31,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v7
-      - uses: DeterminateSystems/nix-installer-action@v19
+      - uses: DeterminateSystems/nix-installer-action@v22
       - uses: DeterminateSystems/magic-nix-cache-action@v14
       - name: Run ruff
         run: nix shell --inputs-from . nixpkgs#ruff -c ruff check simulator --output-format=concise
@@ -83,7 +83,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v7
-      - uses: DeterminateSystems/nix-installer-action@v19
+      - uses: DeterminateSystems/nix-installer-action@v22
       - uses: DeterminateSystems/magic-nix-cache-action@v14
       - name: Check nix formatting
         run: |
@@ -103,7 +103,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v7
-      - uses: DeterminateSystems/nix-installer-action@v19
+      - uses: DeterminateSystems/nix-installer-action@v22
       - uses: DeterminateSystems/magic-nix-cache-action@v14
       - name: Build packages
         run: |
@@ -146,7 +146,7 @@ jobs:
             ghcr_image: ${{ github.repository }}-simulator
     steps:
       - uses: actions/checkout@v7
-      - uses: DeterminateSystems/nix-installer-action@v19
+      - uses: DeterminateSystems/nix-installer-action@v22
       - uses: DeterminateSystems/magic-nix-cache-action@v14
       - uses: docker/setup-buildx-action@v4
       - name: Log in to GHCR