1 files changed, 1 insertions, 1 deletions
diff --git a/setup.py b/setup.py
index aea2a32a..92ee143b 100644
--- a/setup.py
+++ b/setup.py
@@ -89,7 +89,7 @@ setup(
             "flake8>=3.5, <3.6",
             "Flask>=1.0,<1.1",
             "mypy>=0.590,<0.591",
-            "parver>=0.1<2.0",
+            "parver>=0.1,<2.0",
             "pytest-asyncio>=0.8",
             "pytest-cov>=2.5.1,<3",
             "pytest-faulthandler>=1.3.1,<2",