diff --git a/requirements-dev.txt b/requirements-dev.txt
index 6cf629e..5362e39 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -15,4 +15,4 @@ pytest-env
 pyOpenSSL==17.5.0
 ndg-httpsclient==0.4.4
 pyasn1==0.4.2
-GDAL>=2.2
+GDAL>=2.1