diff --git a/kurobako_problems/Cargo.toml b/kurobako_problems/Cargo.toml
index 052bb3b..8191e76 100644
--- a/kurobako_problems/Cargo.toml
+++ b/kurobako_problems/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "kurobako_problems"
-version = "0.1.9"
+version = "0.1.10"
 authors = ["Takeru Ohta <phjgt308@gmail.com>"]
 edition = "2018"
 description = "A collection of black-box optimization problems"