diff --git a/pom.xml b/pom.xml
index abc28e6..3494939 100644
--- a/pom.xml
+++ b/pom.xml
@@ -43,7 +43,7 @@
         <jetty.version>9.3.6.v20151106</jetty.version>
         <jersey.version>2.17</jersey.version>
         <slf4j.version>1.7.12</slf4j.version>
-        <atmosphere.version>2.3.1</atmosphere.version>
+        <atmosphere.version>2.4.30</atmosphere.version>
         <spring.version>4.2.3.RELEASE</spring.version>
         <wro4j.version>1.7.8</wro4j.version>
         <yatomata.version>1.6</yatomata.version>