diff --git a/Cargo.toml b/Cargo.toml
index 61941dc..3f7bf6f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,7 +21,7 @@ parking_lot = "0.12.2"
 criterion = "0.5.1"
 
 # minimal versions
-clap_builder = "=4.5.18" # MSRV <= 1.70.0
+clap_builder = "=4.5.19" # MSRV <= 1.70.0
 
 # overridden versions
 bumpalo = "3.16.0" # yanked: "3.15.0"