diff --git a/dependencies.gradle b/dependencies.gradle
index 9876882..dd0dff4 100644
--- a/dependencies.gradle
+++ b/dependencies.gradle
@@ -24,7 +24,7 @@ ext {
     glide = '4.12.0'
     transitions = '1.0.1'
     rxAndroid = '2.1.1'
-    rxJava = '2.1.1'
+    rxJava = '2.2.21'
     rxKotlin = '2.4.0'
     rxBinding = '3.1.0'
     rxAdapter = '2.3.0'