diff --git a/Cargo.toml b/Cargo.toml
index 07eabf6..e2619d7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ name = "rebalance"
 version = "0.1.1"
 authors = ["Behrang Shafei"]
 edition = "2021"
-rust-version = "1.71"
+rust-version = "1.72"
 license = "MIT OR Apache-2.0"
 documentation = "https://docs.rs/rebalance"
 description = "Portfolio (re-)balancing and simulation"