diff --git a/jar/pb-core-6.3.1.jar b/jar/pb-core-6.4.1.jar
similarity index 85%
rename from jar/pb-core-6.3.1.jar
rename to jar/pb-core-6.4.1.jar
index 484f5c1..5c130fe 100644
Binary files a/jar/pb-core-6.3.1.jar and b/jar/pb-core-6.4.1.jar differ