diff --git a/.github/workflows/snyk-container-analysis.yml b/.github/workflows/snyk-container-analysis.yml
index 701f1de..ca94f6f 100644
--- a/.github/workflows/snyk-container-analysis.yml
+++ b/.github/workflows/snyk-container-analysis.yml
@@ -35,9 +35,15 @@ jobs:
       # Replace any "undefined" security severity values with 0. The undefined value is used in the case
       # of license-related findings, which do not do not indicate a security vulnerability.
       # See  https://github.com/Erikvl87/docker-languagetool/issues/90 and https://github.com/github/codeql-action/issues/2187 for more context.
-    - name: Post-process sarif output
+    - name: Post-process sarif output for security severities set to "undefined"
       run: |
         sed -i 's/"security-severity": "undefined"/"security-severity": "0"/g' snyk.sarif
+      # Replace any "undefined" security severity values with 0. The undefined value is used in the case
+      # of license-related findings, which do not do not indicate a security vulnerability.
+      # See  https://github.com/Erikvl87/docker-languagetool/issues/90 and https://github.com/github/codeql-action/issues/2187 for more context.
+    - name: Post-process sarif output for security severities set to "null"
+      run: |
+        sed -i 's/"security-severity": "null"/"security-severity": "info"/g' snyk.sarif
     - name: Upload result to GitHub Code Scanning
       uses: github/codeql-action/upload-sarif@v3
       with: