diff --git a/back-end/development_config.py b/back-end/development_config.py
index 7d9e651..6a278f2 100644
--- a/back-end/development_config.py
+++ b/back-end/development_config.py
@@ -1,5 +1,5 @@
 from dotenv import load_dotenv
-from pydantic import BaseSettings
+from pydantic_settings import BaseSettings
 
 
 load_dotenv(verbose=True)
diff --git a/back-end/production_config.py b/back-end/production_config.py
index 4dbced4..c598e96 100644
--- a/back-end/production_config.py
+++ b/back-end/production_config.py
@@ -1,5 +1,5 @@
 from dotenv import load_dotenv
-from pydantic import BaseSettings
+from pydantic_settings import BaseSettings
 
 
 load_dotenv(verbose=True)
diff --git a/back-end/requirements.txt b/back-end/requirements.txt
index 8e3c03f..4f5ad8b 100644
--- a/back-end/requirements.txt
+++ b/back-end/requirements.txt
@@ -1,8 +1,9 @@
 rlog==0.3
-fastapi
+fastapi==0.101.0
 uvicorn==0.11.8
 motor==2.5.1
 meraki==1.15.0
 python-dotenv
 pytest==7.1.2
-requests==2.27.1
\ No newline at end of file
+requests==2.27.1
+pydantic-settings==2.0.3
\ No newline at end of file