diff --git a/ows_tests/requirements.txt b/ows_tests/requirements.txt
index 5c8b774..c26a552 100644
--- a/ows_tests/requirements.txt
+++ b/ows_tests/requirements.txt
@@ -1,3 +1,3 @@
 gdal==3.2.2
-owslib==0.27
+owslib==0.28.1
 pytest==7.0.1