diff --git a/pyproject.toml b/pyproject.toml
index a14f08e..6d171c2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ authors = [{ name = "Microsoft", email = "opensource@microsoft.com" }]
 readme = "README.md"
 requires-python = ">=3.10"
 dependencies = [
-    "agent-framework-core==1.0.0b251111",
+    "agent-framework-core==1.8.1",
     "agent-framework-azure-ai==1.0.0b251111",
     "agent-framework-a2a==1.0.0b251111",
     "agent-framework-devui==1.0.0b251111",