diff --git a/gradle.properties b/gradle.properties
index 9c5155e..2d6554e 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,6 +1,6 @@
 antlrVersion=2.7.7
 apacheGeodeVersion=1.13.4
-assertjVersion=3.20.2
+assertjVersion=3.21.0
 findbugsVersion=3.0.2
 junitVersion=4.13.2
 lombokVersion=1.18.20
diff --git a/pom.xml b/pom.xml
index b7604c1..d157f84 100644
--- a/pom.xml
+++ b/pom.xml
@@ -83,7 +83,7 @@
 		<maven-surefire-plugin.version>2.19.1</maven-surefire-plugin.version>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<apache-geode.version>1.13.4</apache-geode.version>
-		<assertj.version>3.20.2</assertj.version>
+		<assertj.version>3.21.0</assertj.version>
 		<junit.version>4.13.2</junit.version>
 		<log4j.version>2.12.1</log4j.version>
 		<logback.version>1.2.3</logback.version>