diff --git a/Cargo.toml b/Cargo.toml
index 5e7ddcde..c59b063d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,7 +29,7 @@ homepage = "https://stac-utils.github.io/rustac"
 repository = "https://github.com/stac-utils/rustac"
 license = "MIT OR Apache-2.0"
 categories = ["science", "data-structures"]
-rust-version = "1.88"
+rust-version = "1.89"
 
 [workspace.dependencies]
 anyhow = "1.0"