diff --git a/spring-boot-dependencies/pom.xml b/spring-boot-dependencies/pom.xml
index bbe853c2317..ac4d0bebf26 100644
--- a/spring-boot-dependencies/pom.xml
+++ b/spring-boot-dependencies/pom.xml
@@ -48,7 +48,7 @@
 		<!-- Dependency versions -->
 		<activemq.version>5.15.0</activemq.version>
 		<antlr2.version>2.7.7</antlr2.version>
-		<appengine-sdk.version>1.9.55</appengine-sdk.version>
+		<appengine-sdk.version>1.9.56</appengine-sdk.version>
 		<artemis.version>2.2.0</artemis.version>
 		<aspectj.version>1.8.10</aspectj.version>
 		<assertj.version>3.8.0</assertj.version>
@@ -57,7 +57,7 @@
 		<byte-buddy.version>1.7.5</byte-buddy.version>
 		<caffeine.version>2.5.5</caffeine.version>
 		<cassandra-driver.version>3.3.0</cassandra-driver.version>
-		<classmate.version>1.3.3</classmate.version>
+		<classmate.version>1.3.4</classmate.version>
 		<commons-beanutils.version>1.9.3</commons-beanutils.version>
 		<commons-collections.version>3.2.2</commons-collections.version>
 		<commons-codec.version>1.10</commons-codec.version>