diff --git a/gradle.properties b/gradle.properties
index 6fd4088..9e3f498 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -7,7 +7,7 @@ lombokVersion=1.18.20
 mockitoVersion=3.12.4
 multithreadedtcVersion=1.01
 pivotalGemFireVersion=9.10.9
-springVersion=5.3.8
+springVersion=5.3.9
 springBootVersion=2.5.1
 springDataBomVersion=2021.0.2-SNAPSHOT
 springDataGemFireVersion=2.5.2-SNAPSHOT
diff --git a/pom.xml b/pom.xml
index 1cc4da5..c2ee7d8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -91,7 +91,7 @@
 		<mockito.version>3.12.4</mockito.version>
 		<multithreadedtc.version>1.01</multithreadedtc.version>
 		<pivotal-gemfire.version>9.10.9</pivotal-gemfire.version>
-		<spring.version>5.3.8</spring.version>
+		<spring.version>5.3.9</spring.version>
 		<spring-boot.version>2.5.1</spring-boot.version>
 		<spring-data-bom.version>2021.0.2-SNAPSHOT</spring-data-bom.version>
 		<spring-shell.version>1.2.0.RELEASE</spring-shell.version>