diff --git a/.github/workflows/benchmarks.yaml b/.github/workflows/benchmarks.yaml
index e9d5d5fbf..a99f7aa00 100644
--- a/.github/workflows/benchmarks.yaml
+++ b/.github/workflows/benchmarks.yaml
@@ -15,7 +15,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install Nix ❄
-        uses: cachix/install-nix-action@v25
+        uses: cachix/install-nix-action@v26
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
 
diff --git a/.github/workflows/check-format.yaml b/.github/workflows/check-format.yaml
index 817537547..b30e6576b 100644
--- a/.github/workflows/check-format.yaml
+++ b/.github/workflows/check-format.yaml
@@ -40,7 +40,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Nix ❄
-        uses: cachix/install-nix-action@v25
+        uses: cachix/install-nix-action@v26
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
 
@@ -61,7 +61,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Nix ❄
-        uses: cachix/install-nix-action@v25
+        uses: cachix/install-nix-action@v26
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
 
diff --git a/.github/workflows/nix-check.yaml b/.github/workflows/nix-check.yaml
index fd1b9e55c..4e22267d6 100644
--- a/.github/workflows/nix-check.yaml
+++ b/.github/workflows/nix-check.yaml
@@ -12,7 +12,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install Nix ❄
-        uses: cachix/install-nix-action@v25
+        uses: cachix/install-nix-action@v26
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
 
@@ -34,7 +34,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install Nix ❄
-        uses: cachix/install-nix-action@v25
+        uses: cachix/install-nix-action@v26
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
 
diff --git a/.github/workflows/ship.yaml b/.github/workflows/ship.yaml
index ac6257619..5a95d8bfe 100644
--- a/.github/workflows/ship.yaml
+++ b/.github/workflows/ship.yaml
@@ -17,7 +17,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install Nix ❄
-        uses: cachix/install-nix-action@v25
+        uses: cachix/install-nix-action@v26
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
 
@@ -63,7 +63,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install Nix ❄
-        uses: cachix/install-nix-action@v25
+        uses: cachix/install-nix-action@v26
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}