diff --git a/requirements.txt b/requirements.txt
index 1b20dfb..a763b59 100755
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,4 +13,4 @@ tensorflow
 matplotlib>=3.0.2
 numpy>=1.14.6
 scipy>=1.1.0
-selenium=3.11.0
\ No newline at end of file
+selenium==3.11.0
\ No newline at end of file