diff --git a/stac_fastapi/extensions/setup.py b/stac_fastapi/extensions/setup.py
index a70ea5855..820c58d50 100644
--- a/stac_fastapi/extensions/setup.py
+++ b/stac_fastapi/extensions/setup.py
@@ -7,7 +7,7 @@
 
 install_requires = [
     "attrs",
-    "pydantic[dotenv]<2",
+    "pydantic[dotenv]<3",
     "stac_pydantic==2.0.*",
     "stac-fastapi.types",
     "stac-fastapi.api",