diff --git a/Cargo.toml b/Cargo.toml
index 69ebe945..f2fd7526 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,7 @@ name = "print_cst"
 path = "print_cst.rs"
 
 [dependencies]
-bstr = { version = "1.4.0", features = ["serde", "std", "unicode"] }
+bstr = { version = "1.6.2", features = ["serde", "std", "unicode"] }
 clap = { version = "3.2.25", features = ["derive", "env", "regex", "unicode", "wrap_help"] }
 itertools = "0.11.0"
 num_enum = "0.5"
diff --git a/vendor/ocaml/interop/ocamlrep/Cargo.toml b/vendor/ocaml/interop/ocamlrep/Cargo.toml
index 1ba33a87..6f8560b4 100644
--- a/vendor/ocaml/interop/ocamlrep/Cargo.toml
+++ b/vendor/ocaml/interop/ocamlrep/Cargo.toml
@@ -12,7 +12,7 @@ path = "lib.rs"
 doctest = false
 
 [dependencies]
-bstr = { version = "1.4.0", features = ["serde", "std", "unicode"] }
+bstr = { version = "1.6.2", features = ["serde", "std", "unicode"] }
 bumpalo = { version = "3.14.0", features = ["collections"] }
 indexmap = { version = "2.2.6", features = ["arbitrary", "rayon", "serde"] }
 ocamlrep_derive = { path = "../ocamlrep_derive" }
diff --git a/vendor/ocaml/interop/signed_source/Cargo.toml b/vendor/ocaml/interop/signed_source/Cargo.toml
index 369d4e6e..55b7176c 100644
--- a/vendor/ocaml/interop/signed_source/Cargo.toml
+++ b/vendor/ocaml/interop/signed_source/Cargo.toml
@@ -12,7 +12,7 @@ path = "signed_source.rs"
 doctest = false
 
 [dependencies]
-bstr = { version = "1.4.0", features = ["serde", "std", "unicode"] }
+bstr = { version = "1.6.2", features = ["serde", "std", "unicode"] }
 hex = "0.4.3"
 md-5 = "0.10"
 once_cell = "1.12"