diff --git a/version.gradle b/version.gradle
index 487da535..ad7e1c18 100644
--- a/version.gradle
+++ b/version.gradle
@@ -4,8 +4,8 @@
 
 allprojects {
     ext {
-        shortVersion = '1.6.3'
-        isSnapshot = false
+        shortVersion = '1.6.4'
+        isSnapshot = true
         pgpainlessMinAndroidSdk = 10
         javaSourceCompatibility = 1.8
         bouncyCastleVersion = '1.76'