diff --git a/python/pyproject.toml b/python/pyproject.toml
index 3a5a841082..7941daa8d3 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -23,7 +23,7 @@ classifiers = [
   "Typing :: Typed",
 ]
 dependencies = [
-    "agent-framework-core[all]==1.0.0b260212",
+    "agent-framework-core[all]==1.0.0rc1",
 ]
 
 [dependency-groups]