diff --git a/WHATSNEW b/WHATSNEW
index 7b9a3c07d..89b4cfa72 100644
--- a/WHATSNEW
+++ b/WHATSNEW
@@ -1,6 +1,11 @@
 Changes from Ant 1.9.15 TO Ant 1.9.16
 =====================================
 
+Other changes:
+--------------
+
+ * Upgraded AntUnit to 1.4.1.
+
 Fixed bugs:
 -----------
 
diff --git a/lib/libraries.properties b/lib/libraries.properties
index 0bf5f1954..62ef19c00 100644
--- a/lib/libraries.properties
+++ b/lib/libraries.properties
@@ -35,7 +35,7 @@ netrexx.sha256=1f99f054e9b1e412d29823088f3fa7cfce90a7af25d907a60a6d7908a6b97ea4
 # when a specific dependency forces them to be out-of-order
 ivy.version=2.4.0
 activation.version=1.1.1
-ant-antunit.version=1.4
+ant-antunit.version=1.4.1
 antlr.version=2.7.7
 bcel.version=5.1
 bsf.version=2.4.0
diff --git a/lib/optional/ant-antunit-1.4.jar b/lib/optional/ant-antunit-1.4.1.jar
similarity index 84%
rename from lib/optional/ant-antunit-1.4.jar
rename to lib/optional/ant-antunit-1.4.1.jar
index 9a149e9f4..b5c14ddda 100644
Binary files a/lib/optional/ant-antunit-1.4.jar and b/lib/optional/ant-antunit-1.4.1.jar differ