diff --git a/build.gradle b/build.gradle
index c0d139715..bd3c799af 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,6 +1,6 @@
 buildscript {
 
-    ext.bouncycastleVersion = '1.65'
+    ext.bouncycastleVersion = '1.65.01'
     ext.rxjavaVersion = '2.2.19'
     ext.gsonVersion = '2.8.6'
     ext.okhttpVersion = '4.7.2'