diff --git a/gql/__version__.py b/gql/__version__.py
index ce1305bf..b672be1c 100644
--- a/gql/__version__.py
+++ b/gql/__version__.py
@@ -1 +1 @@
-__version__ = "4.0.0"
+__version__ = "4.1.0b0"
diff --git a/setup.py b/setup.py
index 4f0c8537..3db1c9f8 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 from setuptools import setup, find_packages
 
 install_requires = [
-    "graphql-core>=3.2,<3.3",
+    "graphql-core>=3.3.0a3,<3.4",
     "yarl>=1.6,<2.0",
     "backoff>=1.11.1,<3.0",
     "anyio>=3.0,<5",