diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index e98c069d..64162698 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -5,41 +5,57 @@
 #
 # You may wish to alter this file to override the set of languages analyzed,
 # or to provide custom queries or build logic.
+#
+# ******** NOTE ********
+# We have attempted to detect the languages in your repository. Please check
+# the `language` matrix defined below to confirm you have the correct set of
+# supported CodeQL languages.
+#
 name: "CodeQL"
 
 on:
   push:
-    # Dependabot triggered push events have read-only access, but uploading code
-    # scanning requires write access.
-    branches-ignore: [dependabot/**]
+    branches: [develop]
   pull_request:
     # The branches below must be a subset of the branches above
     branches: [develop]
   schedule:
     - cron: '0 21 * * 6'
 
+permissions:
+  actions: read
+  contents: read
+
 jobs:
   analyze:
     name: Analyze
     runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
 
     strategy:
       fail-fast: false
       matrix:
-        # Override automatic language detection by changing the below list
-        # Supported options are ['csharp', 'cpp', 'go', 'java', 'javascript',
-        # 'python']
         language: ['python']
-        # Learn more...
-        # https://docs.github.com/en/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#overriding-automatic-language-detection
+        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript',
+        # 'python', 'ruby' ] Learn more about CodeQL language support at
+        # https://git.io/codeql-language-support
 
     steps:
+      - name: Harden Runner
+        uses: step-security/harden-runner@34cbc43f0b10c9dda284e663cf43c2ebaf83e956
+        with:
+          # TODO: change to 'egress-policy: block' after couple of runs
+          egress-policy: audit
+
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@3df53dd32d858478710a6127bcd8b9d8b7182e16
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v1
+        uses: github/codeql-action/init@1ed1437484560351c5be56cf73a48a279d116b78
         with:
           languages: ${{ matrix.language }}
           # If you wish to specify custom queries, you can do so here or in a
@@ -52,18 +68,18 @@ jobs:
       # Java). If this step fails, then you should remove it and run the build
       # manually (see below)
       - name: Autobuild
-        uses: github/codeql-action/autobuild@v1
+        uses: github/codeql-action/autobuild@1ed1437484560351c5be56cf73a48a279d116b78
 
-      # ℹ️ Command-line programs to run using the OS shell.
-      # 📚 https://git.io/JvXDl
+      # ℹ️ Command-line programs to run using the OS shell. 📚
+      # https://git.io/JvXDl
 
       # ✏️ If the Autobuild fails above, remove it and uncomment the following
-      # three lines and modify them (or add more) to build your code if your
-      # project uses a compiled language
+      #    three lines and modify them (or add more) to build your code if your
+      #    project uses a compiled language
 
       # - run: |
       #   make bootstrap
       #   make release
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v1
+        uses: github/codeql-action/analyze@1ed1437484560351c5be56cf73a48a279d116b78
diff --git a/README.md b/README.md
index 332800be..14f1ab98 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # weewx-docker 🌩🐳 #
 
 [![GitHub Build Status](https://github.com/felddy/weewx-docker/workflows/build/badge.svg)](https://github.com/felddy/weewx-docker/actions)
+[![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/6003/badge)](https://bestpractices.coreinfrastructure.org/projects/6003)
 [![CodeQL](https://github.com/felddy/weewx-docker/workflows/CodeQL/badge.svg)](https://github.com/felddy/weewx-docker/actions/workflows/codeql-analysis.yml)
 [![WeeWX Version](https://img.shields.io/github/v/release/felddy/weewx-docker?color=brightgreen)](https://hub.docker.com/r/felddy/weewx)