diff --git a/lib/libraries.properties b/lib/libraries.properties
index dbabc54df..9cfc16820 100644
--- a/lib/libraries.properties
+++ b/lib/libraries.properties
@@ -36,7 +36,7 @@ netrexx.sha256=1f99f054e9b1e412d29823088f3fa7cfce90a7af25d907a60a6d7908a6b97ea4
 ivy.version=2.5.0
 ant-antunit.version=1.4.1
 antlr.version=2.7.7
-bcel.version=6.4.1
+bcel.version=6.5.0
 bsf.version=2.4.0
 bsh.version=2.0b5
 commons-net.version=3.8.0