diff --git a/Cargo.toml b/Cargo.toml
index 297fe93c3..ca37cef08 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -325,10 +325,10 @@ whoami   = { optional=true, version="0.0.1", package="uu_whoami", path="src/uu/w
 yes      = { optional=true, version="0.0.1", package="uu_yes", path="src/uu/yes" }
 #
 # * pinned transitive dependencies
-_backtrace = { version=">= 0.3.3, <= 0.3.30", package="backtrace" } ##  via 'failure'; pin to <= v0.3.30 to avoid increasing MinSRV to v1.33.0
-_half = { version="1.1.0, < 1.4.0", package="half" } ## half v1.4.0 has compiler errors for MinSRV v1.31.0
-_same-file = { version="1.0.4, < 1.0.6", package="same-file" } ## same-file v1.0.6 has compiler errors for MinSRV v1.31.0
-_winapi-util = { version="0.1.2, < 0.1.3", package="winapi-util" } ## winapi-util v0.1.3 has compiler errors for MinSRV v1.31.0
+pin_backtrace = { version=">= 0.3.3, <= 0.3.30", package="backtrace" } ##  via 'failure'; pin to <= v0.3.30 to avoid increasing MinSRV to v1.33.0
+pin_half = { version="1.1.0, < 1.4.0", package="half" } ## half v1.4.0 has compiler errors for MinSRV v1.31.0
+pin_same-file = { version="1.0.4, < 1.0.6", package="same-file" } ## same-file v1.0.6 has compiler errors for MinSRV v1.31.0
+pin_winapi-util = { version="0.1.2, < 0.1.3", package="winapi-util" } ## winapi-util v0.1.3 has compiler errors for MinSRV v1.31.0
 
 [dev-dependencies]
 filetime = "0.2"