diff --git a/pyproject.toml b/pyproject.toml
index d73786fc79..b3e69ed6c7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,7 @@ requests = "^2.31.0"
 tenacity = "^8.2.3"
 # psycopg2 = "2.9.5" # Injected in charmcraft.yaml
 cosl = "^0.0.7"
-pydantic = "^1.10.13"
+pydantic = "^2.5.0"
 poetry-core = "^1.7.0"
 pyOpenSSL = "^23.2.0"