diff --git a/project.properties b/project.properties
index 30877786f..b4cf8f582 100644
--- a/project.properties
+++ b/project.properties
@@ -1,4 +1,4 @@
 projectJavaVersion=3.3.0
-mplDependencyJavaVersion=1.2.0
+mplDependencyJavaVersion=1.3.0
 dafnyRuntimeJavaVersion=4.2.0
 smithyDafnyJavaConversionVersion=0.1