diff --git a/Formula/cargo-completion.rb b/Formula/cargo-completion.rb
index f65f9e17d0..31cc64ecce 100644
--- a/Formula/cargo-completion.rb
+++ b/Formula/cargo-completion.rb
@@ -1,13 +1,20 @@
 class CargoCompletion < Formula
   desc "Bash and Zsh completion for Cargo"
   homepage "https://github.com/rust-lang/cargo"
-  url "https://github.com/rust-lang/cargo/archive/0.34.0.tar.gz"
-  sha256 "658eb7be37d0e1c1c1b7c6a828ff0dbaed1405b5176ce50d8145d47a0fd258f1"
+  url "https://github.com/rust-lang/cargo/archive/0.35.0.tar.gz"
+  sha256 "59d27a00be827f30a26700240dc0651ded5e0ff035f6efb0319a0a0267fea22d"
   version_scheme 1
   head "https://github.com/rust-lang/cargo.git"
 
   bottle :unneeded
 
+  # Upstream patch that fixes the compatibility with the macOS stock bash.
+  # See rust-lang/cargo#6905.
+  patch do
+    url "https://github.com/rust-lang/cargo/commit/e2c519dd7ac61e4d2f94cad60ef920ce4aa1718f.patch?full_index=1"
+    sha256 "3dd6a7914ac133b51c4004ac1d43ffb9fc6b87d2635e761ff488170bf06584ec"
+  end
+
   def install
     bash_completion.install "src/etc/cargo.bashcomp.sh" => "cargo"
     zsh_completion.install "src/etc/_cargo"