Index: bstr/Cargo.toml
===================================================================
--- bstr.orig/Cargo.toml
+++ bstr/Cargo.toml
@@ -33,7 +33,7 @@ version = "1.2"
 optional = true
 
 [dependencies.memchr]
-version = "2.1.2"
+version = "2.2.1"
 default-features = false
 
 [dependencies.regex-automata]
