diff --git a/MANIFEST.in b/MANIFEST.in
index 5e419ea..b8f2eb4 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,3 +1,4 @@
 global-include *.py
 exclude test.py
+prune Workplace
 prune src
diff --git a/setup.py b/setup.py
index bfa7bef..ca787b1 100644
--- a/setup.py
+++ b/setup.py
@@ -11,7 +11,7 @@
 
     name = 'jsntlib',
 
-    version = '1.4.0',
+    version = '1.4.1',
 
     description =
         'A number theory library adapted from mathematic fundamentals of information security homework codes.',