diff --git a/version.gradle b/version.gradle
index 799d59be..44964ce4 100644
--- a/version.gradle
+++ b/version.gradle
@@ -5,6 +5,6 @@ allprojects {
         isSnapshot = true
         pgpainlessMinAndroidSdk = 9
         javaSourceCompatibility = 1.8
-        bouncyCastleVersion = '1.62'
+        bouncyCastleVersion = '1.64'
     }
 }