diff --git a/Cargo.toml b/Cargo.toml
index 7661a04e7..428c48bfe 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -215,7 +215,7 @@ feat_os_windows_legacy = [
 
 [dependencies]
 lazy_static = { version="1.3" }
-textwrap = { version="0.11.0", features=["term_size"] }
+textwrap = { version="=0.11.0", features=["term_size"] } # !maint: [2020-05-10; rivy] unstable crate using undocumented features; pinned currently, will review
 uucore = { version="0.0.2" }
 # * uutils
 arch     = { optional=true, path="src/uu/arch" }