diff --git a/spring-session-data-geode/src/main/java/org/springframework/session/data/gemfire/config/annotation/web/http/AbstractGemFireHttpSessionConfiguration.java b/spring-session-data-geode/src/main/java/org/springframework/session/data/gemfire/config/annotation/web/http/AbstractGemFireHttpSessionConfiguration.java
index a8ed819..231b825 100644
--- a/spring-session-data-geode/src/main/java/org/springframework/session/data/gemfire/config/annotation/web/http/AbstractGemFireHttpSessionConfiguration.java
+++ b/spring-session-data-geode/src/main/java/org/springframework/session/data/gemfire/config/annotation/web/http/AbstractGemFireHttpSessionConfiguration.java
@@ -29,10 +29,10 @@ import org.springframework.context.ConfigurableApplicationContext;
 import org.springframework.context.EnvironmentAware;
 import org.springframework.core.env.Environment;
 import org.springframework.session.config.annotation.web.http.SpringHttpSessionConfiguration;
+import org.springframework.util.Assert;
 import org.springframework.util.ObjectUtils;
 import org.springframework.util.StringUtils;
 
-import org.apache.shiro.util.Assert;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;