diff --git a/spring/README.md b/spring/README.md
index 173234feb5b..19a6cf59828 100644
--- a/spring/README.md
+++ b/spring/README.md
@@ -61,8 +61,8 @@ Check out [SampleApplication, the main Application file](src/main/java/com/teche
 ## Infrastructure Software Versions
 The tests were run with:
 
-* [Spring 4.0.1.RELEASE](http://projects.spring.io/spring-framework/)
-* [Spring Boot 1.0.0.RC3](http://projects.spring.io/spring-boot/)
-* [Spring Data JPA 1.5.0.RC1](http://projects.spring.io/spring-data-jpa/)
+* [Spring 4.0.2.RELEASE](http://projects.spring.io/spring-framework/)
+* [Spring Boot 1.0.0.RC4](http://projects.spring.io/spring-boot/)
+* [Spring Data JPA 1.5.0.RELEASE](http://projects.spring.io/spring-data-jpa/)
 * [Java OpenJDK 1.7.0_09](http://openjdk.java.net/)
 * [Tomcat 8.0.3](https://tomcat.apache.org/)
\ No newline at end of file
diff --git a/spring/pom.xml b/spring/pom.xml
index 333400962ba..f2e006a551e 100644
--- a/spring/pom.xml
+++ b/spring/pom.xml
@@ -8,7 +8,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>1.0.0.RC3</version>
+        <version>1.0.0.RC4</version>
     </parent>
 
     <groupId>com.techempower</groupId>
diff --git a/spring/src/main/java/com/techempower/spring/TomcatCustomizer.java b/spring/src/main/java/com/techempower/spring/TomcatCustomizer.java
index 428447d6a9e..dc7cb8fe016 100644
--- a/spring/src/main/java/com/techempower/spring/TomcatCustomizer.java
+++ b/spring/src/main/java/com/techempower/spring/TomcatCustomizer.java
@@ -4,7 +4,7 @@
 import org.apache.coyote.AbstractProtocol;
 import org.apache.coyote.ProtocolHandler;
 import org.springframework.beans.factory.annotation.Value;
-import org.springframework.boot.context.embedded.ConfigurableEmbeddedServletContainerFactory;
+import org.springframework.boot.context.embedded.ConfigurableEmbeddedServletContainer;
 import org.springframework.boot.context.embedded.EmbeddedServletContainerCustomizer;
 import org.springframework.boot.context.embedded.tomcat.TomcatConnectorCustomizer;
 import org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory;
@@ -26,7 +26,7 @@ public class TomcatCustomizer implements EmbeddedServletContainerCustomizer {
 	private int maxKeepAliveRequests;
 
 	@Override
-	public void customize(ConfigurableEmbeddedServletContainerFactory factory) {
+	public void customize(ConfigurableEmbeddedServletContainer factory) {
 
 		customizeTomcatConnector((TomcatEmbeddedServletContainerFactory) factory);
 	}