diff --git a/requirements.txt b/requirements.txt
index 4286972e9..d40530f22 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-9gitpython>=3.1.37
+gitpython>=3.1.37
 pybullet~=3.2.5
 rospkg~=1.4.0
 roslibpy~=1.2.1