diff --git a/rust/Cargo.toml b/rust/Cargo.toml
index bbf46e8e..3924db58 100644
--- a/rust/Cargo.toml
+++ b/rust/Cargo.toml
@@ -20,9 +20,6 @@ c_utf8 = "0.1.0"
 systemd = "0.4.0"
 indicatif = "0.9.0"
 lazy_static = "1.1.0"
-# Drop this once we bump our minimum rustc requirement.
-# https://github.com/alexcrichton/backtrace-rs/pull/137
-backtrace = "=0.3.9"
 
 [lib]
 name = "rpmostree_rust"