diff --git a/pyproject.toml b/pyproject.toml
index 9e743a7..5c0b397 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ classifiers = [
     "Typing :: Typed",
     "Topic :: Software Development :: Libraries",
 ]
-dependencies = ["fastapi>=0.100", "modern-di>=2,<3"]
+dependencies = ["fastapi>=0.100,<1", "modern-di>=2,<3"]
 version = "0"
 
 [project.urls]