diff --git a/build.gradle b/build.gradle
index 9f60a54..89ece9b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -309,6 +309,9 @@ def publishSettings(project, projectName, projectDescription) {
         }
 
         bintray {
+            if(!hasProperty("bintrayUser") || !hasProperty("bintrayKey")) {
+                return
+            }
 
             user = bintrayUser
             key =  bintrayKey