diff --git a/engine/src/flutter/.gitignore b/engine/src/flutter/.gitignore
index 2830330d8cf..f0485644f7f 100644
--- a/engine/src/flutter/.gitignore
+++ b/engine/src/flutter/.gitignore
@@ -42,6 +42,7 @@ Thumbs.db
 /third_party/dejavu-fonts-ttf-2.34/ttf/*.ttf
 /third_party/firebase
 /third_party/freetype-android/src
+/third_party/gcm/
 /third_party/go/tool/
 /third_party/icu/
 /third_party/jsr-305/src/