diff --git a/gradle.properties b/gradle.properties
index 0ae363e..5027080 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,6 +1,6 @@
 antlrVersion=2.7.7
 apacheGeodeVersion=1.9.2
-assertjVersion=3.14.0
+assertjVersion=3.15.0
 junitVersion=4.13
 lombokVersion=1.18.10
 mockitoVersion=3.2.4