diff --git a/.github/workflows/build-and-cache.yml b/.github/workflows/build-and-cache.yml
index de0c979c..036e0b81 100644
--- a/.github/workflows/build-and-cache.yml
+++ b/.github/workflows/build-and-cache.yml
@@ -7,7 +7,7 @@ jobs:
           swap-storage: false
           tool-cache: true
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v27
+      - uses: cachix/install-nix-action@v30
         with:
           extra_nix_config: |-
             accept-flake-config = true
@@ -32,7 +32,7 @@ jobs:
     runs-on: macos-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v27
+      - uses: cachix/install-nix-action@v30
         with:
           extra_nix_config: |-
             accept-flake-config = true
diff --git a/.github/workflows/update-flakes-darwin.yml b/.github/workflows/update-flakes-darwin.yml
index cd8d5f69..329e9f45 100644
--- a/.github/workflows/update-flakes-darwin.yml
+++ b/.github/workflows/update-flakes-darwin.yml
@@ -4,7 +4,7 @@ jobs:
     runs-on: macos-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v27
+      - uses: cachix/install-nix-action@v30
         with:
           extra_nix_config: |-
             accept-flake-config = true
diff --git a/.github/workflows/update-flakes.yml b/.github/workflows/update-flakes.yml
index 1bb70f25..6c4961a4 100644
--- a/.github/workflows/update-flakes.yml
+++ b/.github/workflows/update-flakes.yml
@@ -7,7 +7,7 @@ jobs:
           swap-storage: false
           tool-cache: true
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v27
+      - uses: cachix/install-nix-action@v30
         with:
           extra_nix_config: |-
             accept-flake-config = true
@@ -34,7 +34,7 @@ jobs:
           nix build --print-build-logs '.#nixosConfigurations.mirai-nixos.config.system.build.toplevel'
           nix build --print-build-logs '.#nixosConfigurations.sankyuu-nixos.config.system.build.toplevel'
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v6
+        uses: peter-evans/create-pull-request@v7
         with:
           body: |
             ## Run report
diff --git a/.github/workflows/validate-flakes.yml b/.github/workflows/validate-flakes.yml
index 3718475f..bc5536ba 100644
--- a/.github/workflows/validate-flakes.yml
+++ b/.github/workflows/validate-flakes.yml
@@ -8,7 +8,7 @@ jobs:
           DEBIAN_FRONTEND=noninteractive
           sudo apt-get update -q -y
           sudo apt-get install -q -y binfmt-support qemu-user-static
-      - uses: cachix/install-nix-action@v27
+      - uses: cachix/install-nix-action@v30
         with:
           extra_nix_config: |-
             accept-flake-config = true
diff --git a/actions/constants.nix b/actions/constants.nix
index 96db9b4f..9719bdb5 100644
--- a/actions/constants.nix
+++ b/actions/constants.nix
@@ -5,11 +5,11 @@
     # https://github.com/marketplace/actions/checkout
     checkout = "actions/checkout@v4";
     # https://github.com/marketplace/actions/create-pull-request
-    create-pull-request = "peter-evans/create-pull-request@v6";
+    create-pull-request = "peter-evans/create-pull-request@v7";
     # https://github.com/marketplace/actions/free-disk-space-ubuntu
     free-disk-space = "thiagokokada/free-disk-space@main";
     # https://github.com/marketplace/actions/install-nix
-    install-nix-action = "cachix/install-nix-action@v27";
+    install-nix-action = "cachix/install-nix-action@v30";
   };
   ubuntu.runs-on = "ubuntu-latest";
   macos.runs-on = "macos-latest";