diff --git a/.gitignore b/.gitignore
index 3c4efe2..66ec78b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -258,4 +258,7 @@ paket-files/
 
 # Python Tools for Visual Studio (PTVS)
 __pycache__/
-*.pyc
\ No newline at end of file
+*.pyc
+
+#dynamic link lib
+*.dll
\ No newline at end of file