diff --git a/gradle.properties b/gradle.properties
index 86fbe9a..260c2f3 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -4,7 +4,7 @@ assertjVersion=3.21.0
 findbugsVersion=3.0.2
 junitVersion=4.13.2
 lombokVersion=1.18.22
-mockitoVersion=3.12.4
+mockitoVersion=4.0.0
 multithreadedtcVersion=1.01
 pivotalGemFireVersion=9.10.9
 springVersion=5.3.10
diff --git a/pom.xml b/pom.xml
index 2782346..6897846 100644
--- a/pom.xml
+++ b/pom.xml
@@ -88,7 +88,7 @@
 		<log4j.version>2.12.1</log4j.version>
 		<logback.version>1.2.3</logback.version>
 		<lombok.version>1.18.22</lombok.version>
-		<mockito.version>3.12.4</mockito.version>
+		<mockito.version>4.0.0</mockito.version>
 		<multithreadedtc.version>1.01</multithreadedtc.version>
 		<pivotal-gemfire.version>9.10.9</pivotal-gemfire.version>
 		<spring.version>5.3.10</spring.version>