diff --git a/pyproject.toml b/pyproject.toml
index aa7fc52..4c7fc50 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@ dependencies = [
   "httpx>=0.27.0",
   "pyyaml>=6.0",
   "typing-extensions>=4.0.0",
-  "pydantic>=2.0.0",
+  "pydantic>=2.11.0",
 ]
 
 [project.optional-dependencies]
diff --git a/src/bloomy/models.py b/src/bloomy/models.py
index 1705323..c8fd045 100644
--- a/src/bloomy/models.py
+++ b/src/bloomy/models.py
@@ -52,7 +52,8 @@ class BloomyBaseModel(BaseModel):
     """Base model with common configuration for all Bloomy models."""
 
     model_config = ConfigDict(
-        populate_by_name=True,
+        validate_by_name=True,
+        validate_by_alias=True,
         use_enum_values=True,
         validate_assignment=True,
         arbitrary_types_allowed=True,
diff --git a/uv.lock b/uv.lock
index e8b1a07..1de66be 100644
--- a/uv.lock
+++ b/uv.lock
@@ -90,7 +90,7 @@ dev = [
 requires-dist = [
     { name = "basedpyright", marker = "extra == 'dev'", specifier = ">=1.1.0" },
     { name = "httpx", specifier = ">=0.27.0" },
-    { name = "pydantic", specifier = ">=2.0.0" },
+    { name = "pydantic", specifier = ">=2.11.0" },
     { name = "pytest", marker = "extra == 'dev'", specifier = ">=8.0.0" },
     { name = "pytest-asyncio", marker = "extra == 'dev'", specifier = ">=0.23.0" },
     { name = "pytest-cov", marker = "extra == 'dev'", specifier = ">=5.0.0" },