diff --git a/.github/workflows/build_release.yml b/.github/workflows/build_release.yml
index 47fb2a4..02cfce2 100644
--- a/.github/workflows/build_release.yml
+++ b/.github/workflows/build_release.yml
@@ -20,7 +20,7 @@ jobs:
       contents: write
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
       - name: Set up PDM
         uses: pdm-project/setup-pdm@v4
         with:
diff --git a/.github/workflows/continuous_integration.yml b/.github/workflows/continuous_integration.yml
index 2cbe2ac..4264974 100644
--- a/.github/workflows/continuous_integration.yml
+++ b/.github/workflows/continuous_integration.yml
@@ -15,7 +15,7 @@ jobs:
       - macos-local
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
       - name: Install dependencies
         run: |
           pdm install -dG test
diff --git a/.github/workflows/test_lint_scan.yml b/.github/workflows/test_lint_scan.yml
index 041d390..4cc9294 100644
--- a/.github/workflows/test_lint_scan.yml
+++ b/.github/workflows/test_lint_scan.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
       - name: Set up PDM
         uses: pdm-project/setup-pdm@v4
         with:
@@ -31,7 +31,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
       - name: Set up PDM
         uses: pdm-project/setup-pdm@v4
         with:
@@ -48,7 +48,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
       - name: Set up PDM
         uses: pdm-project/setup-pdm@v4
         with:
@@ -57,11 +57,11 @@ jobs:
         run: |
           pdm install -dG :all --no-self
       - name: Initialize Runtime Code Analysis
-        uses: github/codeql-action/init@v3
+        uses: github/codeql-action/init@95e58e9a2cdfd71adc6e0353d5c52f41a045d225 # v4
         with:
           languages: python
       - name: Perform Runtime Code Analysis
-        uses: github/codeql-action/analyze@v3
+        uses: github/codeql-action/analyze@95e58e9a2cdfd71adc6e0353d5c52f41a045d225 # v4
         env:
           CODEQL_EXTRACTOR_PYTHON_ANALYSIS_VERSION: 3.12
       - name: Perform Secure Code Analysis (Secrets)
diff --git a/pyproject.toml b/pyproject.toml
index 73e6ee8..2e7dbf8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -51,7 +51,7 @@ tox = "tox --parallel auto"
 [tool.pdm.dev-dependencies]
 lint = [
     "codespell~=2.2.6",  #  https://github.com/codespell-project/codespell  (latest:  2.2.6)
-    "pylint~=3.1.0",     #  https://github.com/pylint-dev/pylint            (latest:  3.1.0)
+    "pylint~=4.0.5",     #  https://github.com/pylint-dev/pylint            (latest:  3.1.0)
     "requests>=2.31.0",  #  https://github.com/psf/requests                 (latest:  2.31.0)
     "ruff~=0.3.7",       #  https://github.com/astral-sh/ruff               (latest:  0.3.7)
     "safety==3.1.0",     #  https://github.com/pyupio/safety                (latest:  3.1.0)