diff --git a/src/neqsim/__init__.py b/src/neqsim/__init__.py
index 734d19e4..e68cef9d 100644
--- a/src/neqsim/__init__.py
+++ b/src/neqsim/__init__.py
@@ -98,7 +98,9 @@ def open_neqsim(filename):
     ZipInputStream = jpype.JClass("java.util.zip.ZipInputStream")
     InputStreamReader = jpype.JClass("java.io.InputStreamReader")
     File = jpype.JClass("java.io.File")
-    AnyTypePermission = jpype.JClass("com.thoughtworks.xstream.security.AnyTypePermission")
+    AnyTypePermission = jpype.JClass(
+        "com.thoughtworks.xstream.security.AnyTypePermission"
+    )
 
     zin = None
     reader = None
diff --git a/src/neqsim/lib/java11/neqsim-3.0.29.jar b/src/neqsim/lib/java11/neqsim-3.0.30.jar
similarity index 96%
rename from src/neqsim/lib/java11/neqsim-3.0.29.jar
rename to src/neqsim/lib/java11/neqsim-3.0.30.jar
index fb9b06c0..cc2ee781 100644
Binary files a/src/neqsim/lib/java11/neqsim-3.0.29.jar and b/src/neqsim/lib/java11/neqsim-3.0.30.jar differ
diff --git a/src/neqsim/lib/java8/neqsim-3.0.29-Java8.jar b/src/neqsim/lib/java8/neqsim-3.0.30-Java8.jar
similarity index 96%
rename from src/neqsim/lib/java8/neqsim-3.0.29-Java8.jar
rename to src/neqsim/lib/java8/neqsim-3.0.30-Java8.jar
index 17e95518..554695c1 100644
Binary files a/src/neqsim/lib/java8/neqsim-3.0.29-Java8.jar and b/src/neqsim/lib/java8/neqsim-3.0.30-Java8.jar differ