diff --git a/stac_fastapi/api/setup.py b/stac_fastapi/api/setup.py
index d0af6f3b5..1e3b8002f 100644
--- a/stac_fastapi/api/setup.py
+++ b/stac_fastapi/api/setup.py
@@ -7,7 +7,7 @@
 
 install_requires = [
     "attrs",
-    "pydantic[dotenv]",
+    "pydantic[dotenv]<2",
     "stac_pydantic==2.0.*",
     "brotli_asgi",
     "stac-fastapi.types",
diff --git a/stac_fastapi/extensions/setup.py b/stac_fastapi/extensions/setup.py
index 7f5e28882..a70ea5855 100644
--- a/stac_fastapi/extensions/setup.py
+++ b/stac_fastapi/extensions/setup.py
@@ -7,7 +7,7 @@
 
 install_requires = [
     "attrs",
-    "pydantic[dotenv]",
+    "pydantic[dotenv]<2",
     "stac_pydantic==2.0.*",
     "stac-fastapi.types",
     "stac-fastapi.api",
diff --git a/stac_fastapi/types/setup.py b/stac_fastapi/types/setup.py
index 696c5a915..1896bbd88 100644
--- a/stac_fastapi/types/setup.py
+++ b/stac_fastapi/types/setup.py
@@ -8,7 +8,7 @@
 install_requires = [
     "fastapi>=0.73.0",
     "attrs",
-    "pydantic[dotenv]",
+    "pydantic[dotenv]<2",
     "stac_pydantic==2.0.*",
     "pystac==1.*",
     "iso8601>=1.0.2,<2.1.0",