diff --git a/build_resources/lib/ecj-version.txt b/build_resources/lib/ecj-version.txt
index 18091983f59ddde8105e566545a0d9e4a12a4f1c..47b322c971c3ce34b223693982d647bf2e352923 100644
--- a/build_resources/lib/ecj-version.txt
+++ b/build_resources/lib/ecj-version.txt
@@ -1 +1 @@
-3.4.0
+3.4.1
diff --git a/build_resources/lib/ecj.jar b/build_resources/lib/ecj.jar
index 878a32cfc5d8e2f86d536200674d09f4d3eb266a..c6cda10778a8a6038745f747a90216ac452d412c 100644
Binary files a/build_resources/lib/ecj.jar and b/build_resources/lib/ecj.jar differ