diff --git a/pyproject.toml b/pyproject.toml
index 4d4587a11..ccc52b6fb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -58,7 +58,7 @@ openai-agents = ["openai-agents>=0.18.3"]
 # In the next breaking EasyCat release after that date, ``pydantic-ai`` can
 # move to the supported 2.x range, the transitional ``pydantic-ai-v2`` alias
 # can be removed, and the [tool.uv].conflicts entry below can be collapsed.
-pydantic-ai = ["pydantic-ai>=1.99.0,<2.0.0"]
+pydantic-ai = ["pydantic-ai>=1.99.0,<3.0.0"]
 pydantic-ai-v2 = ["pydantic-ai>=2.5.1,<3.0.0"]
 # Security floor: 1.2.28 includes the LangChain prompt-validation fixes from
 # GHSA-c67j-w6g6-q2cm, GHSA-qh6h-p6c9-ff54, and GHSA-926x-3r5x-gfhw.