diff --git a/version.gradle b/version.gradle
index 574fdfd1..171e7946 100644
--- a/version.gradle
+++ b/version.gradle
@@ -8,6 +8,6 @@ allprojects {
         isSnapshot = true
         pgpainlessMinAndroidSdk = 10
         javaSourceCompatibility = 1.8
-        bouncyCastleVersion = '1.69'
+        bouncyCastleVersion = '1.70'
     }
 }