diff --git a/changelog.d/20230816_112532_nagakingg_prepare-for-run.rst b/changelog.d/20230816_112532_nagakingg_prepare-for-run.rst
new file mode 100644
index 000000000..2d717e8b7
--- /dev/null
+++ b/changelog.d/20230816_112532_nagakingg_prepare-for-run.rst
@@ -0,0 +1,3 @@
+Added
+-----
+- Add prepare_for_run method to SimPools