diff --git a/gradle.properties b/gradle.properties
index b3bd7d3..8a3c0cf 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,6 +1,6 @@
 antlrVersion=2.7.7
 apacheGeodeVersion=1.6.0
-assertjVersion=3.13.2
+assertjVersion=3.18.0
 junitVersion=4.12
 lombokVersion=1.18.8
 mockitoVersion=3.0.0
diff --git a/pom.xml b/pom.xml
index c7ac970..948ab12 100644
--- a/pom.xml
+++ b/pom.xml
@@ -83,7 +83,7 @@
 		<maven-compiler-plugin.version>3.3</maven-compiler-plugin.version>
 		<maven-surefire-plugin.version>2.19.1</maven-surefire-plugin.version>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<assertj.version>3.13.2</assertj.version>
+		<assertj.version>3.18.0</assertj.version>
 		<junit.version>4.12</junit.version>
 		<logback.version>1.2.3</logback.version>
 		<lombok.version>1.18.8</lombok.version>