diff --git a/.github/codeql/codeql-config.yml b/.github/codeql/codeql-config.yml
new file mode 100644
index 00000000..c18d2814
--- /dev/null
+++ b/.github/codeql/codeql-config.yml
@@ -0,0 +1,5 @@
+paths:
+ - 'src'
+paths-ignore:
+ - 'src/mini-gdbstub/**'
+ - 'src/softfloat/**'
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index f189304d..52222e73 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -30,6 +30,7 @@ jobs:
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v3
       with:
+         config-file: .github/codeql/codeql-config.yml
         languages: ${{ matrix.language }}
         queries: +security-and-quality