diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index fbf92bd..73e5d21 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -4,6 +4,10 @@ updates:
     directory: /
     schedule:
       interval: weekly
+    groups:
+      codeql:
+        patterns:
+          - "github/codeql-action/*"
     cooldown:
       semver-minor-days: 7
       semver-patch-days: 7
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index ce17f26..3ab4f14 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -50,7 +50,7 @@ jobs:
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@8aad20d150bbac5944a9f9d289da16a4b0d87c1e # v4.36.2
+        uses: github/codeql-action/init@e4fba868fa4b1b91e1fdab776edc8cfbe6e9fb81 # v4.37.3
         with:
           languages: ${{ matrix.language }}
           # If you wish to specify custom queries, you can do so here or in a config file.
@@ -60,7 +60,7 @@ jobs:
       # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
       # If this step fails, then you should remove it and run the build manually (see below)
       - name: Autobuild
-        uses: github/codeql-action/autobuild@8aad20d150bbac5944a9f9d289da16a4b0d87c1e # v4.36.2
+        uses: github/codeql-action/autobuild@e4fba868fa4b1b91e1fdab776edc8cfbe6e9fb81 # v4.37.3
 
       # ℹ️ Command-line programs to run using the OS shell.
       # 📚 See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsrun
@@ -73,6 +73,6 @@ jobs:
       #   ./location_of_script_within_repo/buildscript.sh
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@8aad20d150bbac5944a9f9d289da16a4b0d87c1e # v4.36.2
+        uses: github/codeql-action/analyze@e4fba868fa4b1b91e1fdab776edc8cfbe6e9fb81 # v4.37.3
         with:
           category: "/language:${{matrix.language}}"
diff --git a/.github/workflows/scorecard.yaml b/.github/workflows/scorecard.yaml
index 9c298d1..bc69e6b 100644
--- a/.github/workflows/scorecard.yaml
+++ b/.github/workflows/scorecard.yaml
@@ -62,6 +62,6 @@ jobs:
       # Upload the results to GitHub's code scanning dashboard (optional).
       # Commenting out will disable upload of results to your repo's Code Scanning dashboard
       - name: "Upload to code-scanning"
-        uses: github/codeql-action/upload-sarif@8aad20d150bbac5944a9f9d289da16a4b0d87c1e # v4.36.2
+        uses: github/codeql-action/upload-sarif@e4fba868fa4b1b91e1fdab776edc8cfbe6e9fb81 # v4.37.3
         with:
           sarif_file: results.sarif
diff --git a/README.md b/README.md
index 9f3cc4a..07c0fe7 100644
--- a/README.md
+++ b/README.md
@@ -14,13 +14,13 @@ from pymodbus.client import ModbusSerialClient
 
 # Configure the Modbus client
 client = ModbusSerialClient(
-   port="COM3",  # or "/dev/ttyUSB0" on Linux
-   baudrate=9600,
-   parity="E",
-   stopbits=1,
-   bytesize=8,
-   # datasheet specifies maximum response timeout of 500ms (typical 40ms)
-   timeout=0.5,
+    port="COM3",  # or "/dev/ttyUSB0" on Linux
+    baudrate=9600,
+    parity="E",
+    stopbits=1,
+    bytesize=8,
+    # datasheet specifies maximum response timeout of 500ms (typical 40ms)
+    timeout=0.5,
 )
 
 # Device Modbus address
diff --git a/pyproject.toml b/pyproject.toml
index 765977a..aacfed0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -64,6 +64,7 @@ select = ["ALL"]
 
 ignore = [
     "COM812",  # in conflict with formatter
+    "CPY001",  # project copyright is declared in LICENSE
 ]
 
 [tool.ruff.lint.pydocstyle]