diff --git a/.copier-answers.yml b/.copier-answers.yml
index 9547fbf..9db49fb 100644
--- a/.copier-answers.yml
+++ b/.copier-answers.yml
@@ -1,5 +1,5 @@
 # Changes here will be overwritten by Copier
-_commit: v1.7.6
+_commit: v1.7.7
 _src_path: https://github.com/DeveloperC286/template
 project_name: monkey_interpreter
 project_type: rust
diff --git a/.github/workflows/continuous-delivery.yml b/.github/workflows/continuous-delivery.yml
index dd810cf..b1de528 100644
--- a/.github/workflows/continuous-delivery.yml
+++ b/.github/workflows/continuous-delivery.yml
@@ -20,7 +20,7 @@ jobs:
       - name: Checkout code.
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Setup Nix.
-        uses: cachix/install-nix-action@19effe9fe722874e6d46dd7182e4b8b7a43c4a99 # v31.10.0
+        uses: cachix/install-nix-action@616559265b40713947b9c190a8ff4b507b5df49b # v31.10.4
       - name: Publish binary.
         run: nix develop -c make publish-binary RELEASE="${GITHUB_REF_NAME}"
         env:
@@ -47,7 +47,7 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0
       - name: Login to GitHub Container Registry
-        uses: docker/login-action@b45d80f862d83dbcd57f89517bcf500b2ab88fb2 # v4.0.0
+        uses: docker/login-action@4907a6ddec9925e35a0a9e82d7399ccc52663121 # v4.1.0
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
@@ -67,7 +67,7 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0
       - name: Login to GitHub Container Registry
-        uses: docker/login-action@b45d80f862d83dbcd57f89517bcf500b2ab88fb2 # v4.0.0
+        uses: docker/login-action@4907a6ddec9925e35a0a9e82d7399ccc52663121 # v4.1.0
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index 8bf2881..f99147a 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -30,7 +30,7 @@ jobs:
       - name: Checkout code.
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Setup Nix.
-        uses: cachix/install-nix-action@19effe9fe722874e6d46dd7182e4b8b7a43c4a99 # v31.10.0
+        uses: cachix/install-nix-action@616559265b40713947b9c190a8ff4b507b5df49b # v31.10.4
       - name: Check formatting.
         run: nix develop -c make check-${{ matrix.language }}-formatting
 
@@ -45,7 +45,7 @@ jobs:
       - name: Checkout code.
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Setup Nix.
-        uses: cachix/install-nix-action@19effe9fe722874e6d46dd7182e4b8b7a43c4a99 # v31.10.0
+        uses: cachix/install-nix-action@616559265b40713947b9c190a8ff4b507b5df49b # v31.10.4
       - name: Check linting.
         run: nix develop -c make check-${{ matrix.language }}-linting
 
@@ -60,7 +60,7 @@ jobs:
       - name: Checkout code.
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Setup Nix.
-        uses: cachix/install-nix-action@19effe9fe722874e6d46dd7182e4b8b7a43c4a99 # v31.10.0
+        uses: cachix/install-nix-action@616559265b40713947b9c190a8ff4b507b5df49b # v31.10.4
       - name: Check dependencies.
         run: nix develop -c make check-${{ matrix.language }}-dependencies
 
@@ -74,7 +74,7 @@ jobs:
       - name: Checkout code.
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Setup Nix.
-        uses: cachix/install-nix-action@19effe9fe722874e6d46dd7182e4b8b7a43c4a99 # v31.10.0
+        uses: cachix/install-nix-action@616559265b40713947b9c190a8ff4b507b5df49b # v31.10.4
       - name: Compile.
         run: nix develop -c make compile
 
@@ -88,6 +88,6 @@ jobs:
       - name: Checkout code.
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Setup Nix.
-        uses: cachix/install-nix-action@19effe9fe722874e6d46dd7182e4b8b7a43c4a99 # v31.10.0
+        uses: cachix/install-nix-action@616559265b40713947b9c190a8ff4b507b5df49b # v31.10.4
       - name: Unit test.
         run: nix develop -c make unit-test
diff --git a/.github/workflows/github-actions-workflows.yml b/.github/workflows/github-actions-workflows.yml
index 29773e7..38a2acf 100644
--- a/.github/workflows/github-actions-workflows.yml
+++ b/.github/workflows/github-actions-workflows.yml
@@ -16,7 +16,7 @@ jobs:
       - name: Checkout code.
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Setup Nix.
-        uses: cachix/install-nix-action@19effe9fe722874e6d46dd7182e4b8b7a43c4a99 # v31.10.0
+        uses: cachix/install-nix-action@616559265b40713947b9c190a8ff4b507b5df49b # v31.10.4
       - name: Check formatting.
         run: nix develop -c make check-yaml-formatting
 
@@ -30,6 +30,6 @@ jobs:
       - name: Checkout code.
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Setup Nix.
-        uses: cachix/install-nix-action@19effe9fe722874e6d46dd7182e4b8b7a43c4a99 # v31.10.0
+        uses: cachix/install-nix-action@616559265b40713947b9c190a8ff4b507b5df49b # v31.10.4
       - name: Check GitHub Actions workflows linting.
         run: nix develop -c make check-github-actions-workflows-linting
diff --git a/.github/workflows/release-please.yml b/.github/workflows/release-please.yml
index 29397dd..1bc0dd2 100644
--- a/.github/workflows/release-please.yml
+++ b/.github/workflows/release-please.yml
@@ -14,6 +14,6 @@ jobs:
   release-please:
     runs-on: ubuntu-24.04
     steps:
-      - uses: googleapis/release-please-action@16a9c90856f42705d54a6fda1823352bdc62cf38 # v4.4.0
+      - uses: googleapis/release-please-action@5c625bfb5d1ff62eadeeb3772007f7f66fdcf071 # v4.4.1
         with:
           token: ${{ secrets.MY_RELEASE_PLEASE_TOKEN }}