diff --git a/pyproject.toml b/pyproject.toml
index d573d19..c30d68b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -42,7 +42,6 @@ packages = [
 
 [tool.poetry.dependencies]
 python = "^3.6"
-graphql-core = "~3.2"
 typing-extensions = { version = "^4.1", python = "<3.8" }
 
 [tool.poetry.dev-dependencies]