diff --git a/.gitignore b/.gitignore
index 288f1b2..88bb9c6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -102,6 +102,7 @@
 /lib/cpp/src/thrift/stamp-h2
 /lib/cpp/test/Benchmark
 /lib/cpp/test/AllProtocolsTest
+/lib/cpp/test/AnnotationTest
 /lib/cpp/test/DebugProtoTest
 /lib/cpp/test/DenseProtoTest
 /lib/cpp/test/EnumTest