diff --git a/spring-boot-parent/pom.xml b/spring-boot-parent/pom.xml
index c2a8896696..55a791f313 100644
--- a/spring-boot-parent/pom.xml
+++ b/spring-boot-parent/pom.xml
@@ -433,7 +433,7 @@
 						<configuration>
 							<rules>
 								<requireJavaVersion>
-									<version>(1.7,)</version>
+									<version>(1.8,)</version>
 								</requireJavaVersion>
 								<requireProperty>
 									<property>main.basedir</property>
@@ -646,7 +646,7 @@
 								<configuration>
 									<rules>
 										<requireJavaVersion>
-											<version>(1.7,1.8)</version>
+											<version>(1.8,1.9)</version>
 										</requireJavaVersion>
 										<requireReleaseDeps />
 										<requireReleaseVersion />
@@ -675,7 +675,7 @@
 								<configuration>
 									<rules>
 										<requireJavaVersion>
-											<version>(1.7,1.8)</version>
+											<version>(1.8,1.9)</version>
 										</requireJavaVersion>
 										<requireReleaseDeps />
 										<requireReleaseVersion />
diff --git a/spring-boot-samples/spring-boot-sample-devtools/src/main/resources/static/css/application.css b/spring-boot-samples/spring-boot-sample-devtools/src/main/resources/static/css/application.css
index 6b066803d0..1f83e00900 100644
--- a/spring-boot-samples/spring-boot-sample-devtools/src/main/resources/static/css/application.css
+++ b/spring-boot-samples/spring-boot-sample-devtools/src/main/resources/static/css/application.css
@@ -1,5 +1,5 @@
 h1 {
-	color: blue;
+	color: green;
 }
 
 .content {