diff --git a/build.gradle b/build.gradle
index 6ade19ab1..4267754ca 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,7 +7,7 @@ buildscript {
         supportVersion = "27.1.0"
         gms = "12.0.0"
         thirtyinchVersion = '0.8.0'
-        retrofit = '2.3.0'
+        retrofit = '2.6.1'
         junitVersion = '4.12'
         mockitoVersion = '1.10.19'
         assertjVersion = '2.5.0'