diff --git a/requirements.in b/requirements.in
index 1ea9cba..cb91924 100644
--- a/requirements.in
+++ b/requirements.in
@@ -1,3 +1,4 @@
 rich
 requests
-inflect
\ No newline at end of file
+inflect
+pydantic
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 943c542..fa8958b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,11 +14,15 @@ idna==3.3
     # via requests
 inflect==5.4.0
     # via -r requirements.in
+pydantic==1.9.0
+    # via -r requirements.in
 pygments==2.11.2
     # via rich
 requests==2.27.1
     # via -r requirements.in
 rich==12.0.0
     # via -r requirements.in
+typing-extensions==4.1.1
+    # via pydantic
 urllib3==1.26.8
-    # via requests
+    # via requests
\ No newline at end of file