diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index b95e69cd..d859febc 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -23,7 +23,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: DeterminateSystems/nix-installer-action@main
-      - uses: cachix/cachix-action@v15
+      - uses: cachix/cachix-action@v16
         with:
           name: elixir-tools
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
@@ -64,7 +64,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: DeterminateSystems/nix-installer-action@main
-      - uses: cachix/cachix-action@v15
+      - uses: cachix/cachix-action@v16
         with:
           name: elixir-tools
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
@@ -91,7 +91,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: DeterminateSystems/nix-installer-action@main
-      - uses: cachix/cachix-action@v15
+      - uses: cachix/cachix-action@v16
         with:
           name: elixir-tools
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
@@ -116,7 +116,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: DeterminateSystems/nix-installer-action@main
-      - uses: cachix/cachix-action@v15
+      - uses: cachix/cachix-action@v16
         with:
           name: elixir-tools
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
@@ -173,7 +173,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: DeterminateSystems/nix-installer-action@main
-      - uses: cachix/cachix-action@v15
+      - uses: cachix/cachix-action@v16
         with:
           name: elixir-tools
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
@@ -206,7 +206,7 @@ jobs:
       - uses: cachix/install-nix-action@v30
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
-      - uses: cachix/cachix-action@v15
+      - uses: cachix/cachix-action@v16
         with:
           name: elixir-tools
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 72c3cb8b..43ac3396 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -53,7 +53,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: DeterminateSystems/nix-installer-action@main
-      - uses: cachix/cachix-action@v15
+      - uses: cachix/cachix-action@v16
         with:
           name: elixir-tools
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
@@ -88,7 +88,7 @@ jobs:
       - uses: cachix/install-nix-action@v30
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
-      - uses: cachix/cachix-action@v15
+      - uses: cachix/cachix-action@v16
         with:
           name: elixir-tools
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'