diff --git a/build.gradle b/build.gradle
index 68f79e1995..b57c334fbe 100644
--- a/build.gradle
+++ b/build.gradle
@@ -81,7 +81,7 @@ configure(allprojects) { project ->
 	ext.reactorCoreVersion     = '3.0.2.RELEASE'
 	ext.reactorNettyVersion    = '0.5.2.RELEASE'
 	ext.romeVersion            = "1.7.0"
-	ext.rxjavaVersion          = '1.1.9'
+	ext.rxjavaVersion          = '1.2.1'
 	ext.rxjava2Version         = '2.0.0-RC3'
 	ext.rxjavaAdapterVersion   = '1.2.0'
 	ext.rxnettyVersion         = '0.5.2-rc.4'