diff --git a/backend/requirements.txt b/backend/requirements.txt
index f5fec057..3da6bff2 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,5 +1,7 @@
 # This file was autogenerated by uv via the following command:
 #    uv pip compile pyproject.toml -o requirements.txt
+annotated-types==0.7.0
+    # via pydantic
 anyio==4.6.2.post1
     # via
     #   httpx
@@ -74,7 +76,7 @@ packaging==24.1
     # via black
 pathspec==0.12.1
     # via black
-piccolo==0.119.0
+piccolo==1.22.0
     # via munro (pyproject.toml)
 platformdirs==4.3.6
     # via black
@@ -84,10 +86,12 @@ pyasn1==0.6.1
     #   rsa
 pyasn1-modules==0.4.1
     # via google-auth
-pydantic==1.10.18
+pydantic==2.10.4
     # via
     #   fastapi
     #   piccolo
+pydantic-core==2.27.2
+    # via pydantic
 python-dateutil==2.9.0.post0
     # via icalendar
 python-dotenv==1.0.1
@@ -115,6 +119,7 @@ typing-extensions==4.12.2
     #   fastapi
     #   piccolo
     #   pydantic
+    #   pydantic-core
 tzdata==2024.2
     # via icalendar
 urllib3==2.2.3