diff --git a/apps/api/pyproject.toml b/apps/api/pyproject.toml
index f396bb7f..23b97510 100644
--- a/apps/api/pyproject.toml
+++ b/apps/api/pyproject.toml
@@ -25,7 +25,7 @@ dependencies = [
   "anthropic>=0.89.0",
   "ollama>=0.6.1",
   "Pygments>=2.20.0",
-  "pydantic-ai-slim[openai,anthropic,logfire]>=1.77.0,<1.78.0",
+  "pydantic-ai-slim[openai,anthropic,logfire]>=1.77.0,<2.7.0",
   "chonkie>=1.6.2,<1.7.0",
   "tenacity>=9.1.2,<9.2.0",
   "cachetools>=5.5.0",