diff --git a/requirements.txt b/requirements.txt
index d457a729..bd0d1efa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,8 +8,8 @@ cython==0.29.36; python_version < '3.9'
 pyproj==2.6.1; python_version < '3.9'
 pyproj==3.6.1; python_version >= '3.9'
 
-OWSLib==0.31.0; python_version < '3.9'
-OWSLib==0.32.0; python_version >= '3.9'
+OWSLib==0.31.0; python_version < '3.10'
+OWSLib==0.32.0; python_version >= '3.10'
 
 Shapely==2.0.6
 geojson==3.1.0