diff --git a/setup.py b/setup.py
index dd1a1ce5..ab11dbc6 100644
--- a/setup.py
+++ b/setup.py
@@ -267,6 +267,8 @@ def build_extensions(self):
             self.compiler.add_library('kvm')
         elif sys.platform.startswith('sunos'):
             self.compiler.add_library('kstat')
+            
+        self.compiler.add_library('pthread')
 
         super().build_extensions()