diff --git a/bash-5.1/Cargo.toml b/bash-5.1/Cargo.toml
index aca5602b61b44cfb680059a592d04899c71e340b..e9517ea1437e9676039595cac44856c965030979 100644
--- a/bash-5.1/Cargo.toml
+++ b/bash-5.1/Cargo.toml
@@ -9,7 +9,7 @@ crate-type = ["cdylib"]
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [workspace]
 members = ["builtins_rust/read", "builtins/command1", "builtins/command2", "builtins_rust/history", "builtins_rust/kill",
-"builtins_rust/rlet"]
+"builtins_rust/rlet", "builtins_rust/mapfile"]
 
 [dependencies]
 libc = "0.2"
@@ -19,3 +19,4 @@ read = {path = "./builtins_rust/read"}
 history = {path = "./builtins_rust/history"}
 kill = {path = "./builtins_rust/kill"}
 rlet = {path = "./builtins_rust/rlet"}
+mapfile = {path = "./builtins_rust/mapfile"}
diff --git a/record.txt b/record.txt
index 684aab62344b22018963aedde49e7a56ed2f8654..c0b88f92305010d0863267f1d937565713341040 100644
--- a/record.txt
+++ b/record.txt
@@ -21,3 +21,4 @@
 20
 21
 22
+23