diff --git a/setup.py b/setup.py
index 513b435..2178018 100644
--- a/setup.py
+++ b/setup.py
@@ -133,13 +133,7 @@ ext_modules.append(
     )
 )
 
-try:
-    cmd = ['git', 'rev-parse', '--short', 'HEAD']
-    rev = '+' + subprocess.check_output(cmd).decode('ascii').rstrip()
-except Exception as _:
-    now = datetime.now()
-    date_time_str = now.strftime("%Y-%m-%d-%H-%M-%S")
-    rev = '+' + date_time_str
+rev = "@git_rev@"
 
 
 setup(