diff --git a/requirements.txt b/requirements.txt
index bc3ae25..438baf8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
 fastapi == 0.70.1
-pydantic == 1.8.2
\ No newline at end of file
+pydantic == 1.9.0
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 8c065ae..94e801a 100644
--- a/setup.py
+++ b/setup.py
@@ -35,5 +35,5 @@
         "Typing :: Typed",
     ],
     python_requires=">=3.8",
-    install_requires=["fastapi==0.70.1", "pydantic==1.8.2"],
+    install_requires=["fastapi==0.70.1", "pydantic==1.9.0"],
 )