diff --git a/gradle.properties b/gradle.properties
index 5fb9e9b..3e8f84d 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -8,7 +8,7 @@ mockitoVersion=4.4.0
 multithreadedtcVersion=1.01
 pivotalGemFireVersion=9.10.15
 springVersion=5.3.19
-springBootVersion=2.6.4
+springBootVersion=2.6.6
 springDataBomVersion=2021.1.3
 springDataGeodeVersion=2.6.3
 springShellVersion=1.2.0.RELEASE
diff --git a/pom.xml b/pom.xml
index 82dcb9d..c0d2901 100644
--- a/pom.xml
+++ b/pom.xml
@@ -89,7 +89,7 @@
 		<multithreadedtc.version>1.01</multithreadedtc.version>
 		<pivotal-gemfire.version>9.10.15</pivotal-gemfire.version>
 		<spring.version>5.3.19</spring.version>
-		<spring-boot.version>2.6.4</spring-boot.version>
+		<spring-boot.version>2.6.6</spring-boot.version>
 		<spring-data-bom.version>2021.1.3</spring-data-bom.version>
 		<spring-shell.version>1.2.0.RELEASE</spring-shell.version>
 	</properties>