diff --git a/.github/workflows/deadnix.yml b/.github/workflows/deadnix.yml
index a29e41d1..e1995518 100644
--- a/.github/workflows/deadnix.yml
+++ b/.github/workflows/deadnix.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v29
+      - uses: cachix/install-nix-action@v30
       - uses: cachix/cachix-action@v15
         with:
           name: deadnix
diff --git a/.github/workflows/doc.yml b/.github/workflows/doc.yml
index 86f28940..3ccd757b 100644
--- a/.github/workflows/doc.yml
+++ b/.github/workflows/doc.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v29
+      - uses: cachix/install-nix-action@v30
       - name: Build
         run: nix build .#doc
       - name: Deploy
diff --git a/.github/workflows/prebuilt-23.11.yml b/.github/workflows/prebuilt-23.11.yml
index 4aa79bf4..cf6b024f 100644
--- a/.github/workflows/prebuilt-23.11.yml
+++ b/.github/workflows/prebuilt-23.11.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - uses: cachix/install-nix-action@v29
+    - uses: cachix/install-nix-action@v30
     - uses: cachix/cachix-action@v15
       with:
         name: microvm
diff --git a/.github/workflows/prebuilt-24.05.yml b/.github/workflows/prebuilt-24.05.yml
index cd881e70..cf3af5ea 100644
--- a/.github/workflows/prebuilt-24.05.yml
+++ b/.github/workflows/prebuilt-24.05.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - uses: cachix/install-nix-action@v29
+    - uses: cachix/install-nix-action@v30
     - uses: cachix/cachix-action@v15
       with:
         name: microvm
diff --git a/.github/workflows/prebuilt-unstable.yml b/.github/workflows/prebuilt-unstable.yml
index e596bc2e..bbdcde85 100644
--- a/.github/workflows/prebuilt-unstable.yml
+++ b/.github/workflows/prebuilt-unstable.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - uses: cachix/install-nix-action@v29
+    - uses: cachix/install-nix-action@v30
     - uses: cachix/cachix-action@v15
       with:
         name: microvm