diff --git a/requirements.txt b/requirements.txt
index c025b11..b86d517 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ pyparsing>=2.1.10
 requests>=1.1.0
 cython==0.29.36; python_version < '3.9'
 pyproj==2.6.1; python_version < '3.9'
-pyproj @ git+https://github.com/pyproj4/pyproj.git@main; python_version >= '3.9'
+pyproj==3.6.1; python_version >= '3.9'
 
 Shapely==2.0.1
 OWSLib==0.28.1