diff --git a/Cargo.lock b/Cargo.lock
index 4bf8f9e48b6..f29195d9e7a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3535,9 +3535,9 @@ dependencies = [
 
 [[package]]
 name = "icu_casemap_data"
-version = "1.5.0"
+version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4d57966d5ab748f74513be4046867f9a20e801e2775d41f91d04a0f560b61f08"
+checksum = "02bd9f6276270c85a5cd54611adbbf94e993ec464a2a86a452a6c565b7ded5d9"
 
 [[package]]
 name = "icu_collator"