diff --git a/samples/javaconfig/gemfire-clientserver/spring-session-sample-javaconfig-gemfire-clientserver.gradle b/samples/javaconfig/gemfire-clientserver/spring-session-sample-javaconfig-gemfire-clientserver.gradle
index 029fb14..d656170 100644
--- a/samples/javaconfig/gemfire-clientserver/spring-session-sample-javaconfig-gemfire-clientserver.gradle
+++ b/samples/javaconfig/gemfire-clientserver/spring-session-sample-javaconfig-gemfire-clientserver.gradle
@@ -2,6 +2,10 @@ apply plugin: 'io.spring.convention.spring-sample-war'
 apply plugin: "gemfire-server"
 apply plugin: "application"
 
+repositories {
+	gradlePluginPortal()
+}
+
 dependencies {
 
 	compile project(':spring-session-data-geode')
diff --git a/samples/javaconfig/gemfire-p2p/spring-session-sample-javaconfig-gemfire-p2p.gradle b/samples/javaconfig/gemfire-p2p/spring-session-sample-javaconfig-gemfire-p2p.gradle
index 86d7035..2ea9d20 100644
--- a/samples/javaconfig/gemfire-p2p/spring-session-sample-javaconfig-gemfire-p2p.gradle
+++ b/samples/javaconfig/gemfire-p2p/spring-session-sample-javaconfig-gemfire-p2p.gradle
@@ -1,5 +1,9 @@
 apply plugin: 'io.spring.convention.spring-sample-war'
 
+repositories {
+	gradlePluginPortal()
+}
+
 dependencies {
 
 	compile project(':spring-session-data-geode')
diff --git a/samples/xml/gemfire-clientserver/spring-session-sample-xml-gemfire-clientserver.gradle b/samples/xml/gemfire-clientserver/spring-session-sample-xml-gemfire-clientserver.gradle
index 029fb14..d656170 100644
--- a/samples/xml/gemfire-clientserver/spring-session-sample-xml-gemfire-clientserver.gradle
+++ b/samples/xml/gemfire-clientserver/spring-session-sample-xml-gemfire-clientserver.gradle
@@ -2,6 +2,10 @@ apply plugin: 'io.spring.convention.spring-sample-war'
 apply plugin: "gemfire-server"
 apply plugin: "application"
 
+repositories {
+	gradlePluginPortal()
+}
+
 dependencies {
 
 	compile project(':spring-session-data-geode')
diff --git a/samples/xml/gemfire-p2p/spring-session-sample-xml-gemfire-p2p.gradle b/samples/xml/gemfire-p2p/spring-session-sample-xml-gemfire-p2p.gradle
index 86d7035..2ea9d20 100644
--- a/samples/xml/gemfire-p2p/spring-session-sample-xml-gemfire-p2p.gradle
+++ b/samples/xml/gemfire-p2p/spring-session-sample-xml-gemfire-p2p.gradle
@@ -1,5 +1,9 @@
 apply plugin: 'io.spring.convention.spring-sample-war'
 
+repositories {
+	gradlePluginPortal()
+}
+
 dependencies {
 
 	compile project(':spring-session-data-geode')