diff --git a/setup.py b/setup.py
index c8be6613e..c908201af 100755
--- a/setup.py
+++ b/setup.py
@@ -188,7 +188,7 @@ def setup_package():
             setup_requires=['wheel>=0.32.0,<0.33.0'],
             install_requires=[
                 'numpy>=1.15.0',
-                'msgpack-numpy<0.4.4.0'
+                'msgpack-numpy<0.4.4',
                 'murmurhash>=0.28.0,<1.1.0',
                 'cymem>=2.0.2,<2.1.0',
                 'preshed>=2.0.1,<2.1.0',