diff --git a/3_optimization-design-ptn/03_prompt-optimization/requirements.txt b/3_optimization-design-ptn/03_prompt-optimization/requirements.txt
index 9df7d40..1bc16df 100644
--- a/3_optimization-design-ptn/03_prompt-optimization/requirements.txt
+++ b/3_optimization-design-ptn/03_prompt-optimization/requirements.txt
@@ -7,4 +7,4 @@ python-dotenv
 pyyaml~=6.0.2
 pyarrow==19.0.1
 llama-index==0.12.28
-llama-index-core==0.12.28
+llama-index-core==0.13.0