diff --git a/pom.xml b/pom.xml
index 8cff0a0..7a240d9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -57,12 +57,12 @@
     <dependency>
       <groupId>com.github.nkzawa</groupId>
       <artifactId>engine.io-client</artifactId>
-      <version>0.1.2-SNAPSHOT</version>
+      <version>0.1.2</version>
     </dependency>
     <dependency>
       <groupId>com.google.code.gson</groupId>
       <artifactId>gson</artifactId>
-      <version>2.2.2</version>
+      <version>2.2.4</version>
     </dependency>
     <dependency>
       <groupId>junit</groupId>