diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 509bcf1..20d077d 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -23,6 +23,13 @@ updates:
       actions:
         patterns:
           - "*"
+    ignore:
+      # HOLD: github/codeql-action at v4.38.0 (SHA-pinned). v4.38.1 fails
+      # GitHub workflow-startup validation estate-wide (nexia-list#100;
+      # SHA-form re-bump bypassed versions-scoped ignores - nexia-list#101).
+      # Hold until upstream clears 4.38.1 or a new release verifies green.
+      - dependency-name: "github/codeql-action"
+
   - package-ecosystem: "nix"
     directory: "/"
     schedule:
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 5c6ded9..137ed29 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -71,7 +71,7 @@ jobs:
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@1c5b675653bb5c22dbe9b12b556ec555138e09fd # v3
+      uses: github/codeql-action/init@b96794f015dfd88f77b49b1c93e0fa7110f94c63 # v4.38.0 (4.38.1 blocked estate-wide; nexia-list#100)
       with:
         languages: ${{ matrix.language }}
         build-mode: ${{ matrix.build-mode }}
@@ -100,6 +100,6 @@ jobs:
         exit 1
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@1c5b675653bb5c22dbe9b12b556ec555138e09fd # v3
+      uses: github/codeql-action/analyze@b96794f015dfd88f77b49b1c93e0fa7110f94c63 # v4.38.0 (4.38.1 blocked estate-wide; nexia-list#100)
       with:
         category: "/language:${{matrix.language}}"