diff --git a/projects/firefox/project.yaml b/projects/firefox/project.yaml
index db1e1b3e7..43516d49d 100644
--- a/projects/firefox/project.yaml
+++ b/projects/firefox/project.yaml
@@ -2,6 +2,7 @@ homepage: "https://www.mozilla.org/firefox/"
 primary_contact: "choller@mozilla.com"
 auto_ccs:
   - twsmith@mozilla.com
+  - cdiehl@mozilla.com
 fuzzing_engines:
   - libfuzzer
 sanitizers: