diff --git a/pkgs/tools/security/rbw/bump-security-framework-crate.patch b/pkgs/tools/security/rbw/bump-security-framework-crate.patch
deleted file mode 100644
index 9074dd925b82..000000000000
--- a/pkgs/tools/security/rbw/bump-security-framework-crate.patch
+++ /dev/null
@@ -1,19 +0,0 @@
-Bump security-framework from 2.1.1 to 2.1.2
-
-security-framework=2.1.1 doesn't build on Darwin 10.12.
-https://github.com/kornelski/rust-security-framework/issues/124
-
---- i/Cargo.lock
-+++ w/Cargo.lock
-@@ -1361,9 +1361,9 @@ checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
- 
- [[package]]
- name = "security-framework"
--version = "2.1.1"
-+version = "2.1.2"
- source = "registry+https://github.com/rust-lang/crates.io-index"
--checksum = "2dfd318104249865096c8da1dfabf09ddbb6d0330ea176812a62ec75e40c4166"
-+checksum = "d493c5f39e02dfb062cd8f33301f90f9b13b650e8c1b1d0fd75c19dd64bff69d"
- dependencies = [
-  "bitflags",
-  "core-foundation",
diff --git a/pkgs/tools/security/rbw/default.nix b/pkgs/tools/security/rbw/default.nix
index c1f99719d76c..96616987510d 100644
--- a/pkgs/tools/security/rbw/default.nix
+++ b/pkgs/tools/security/rbw/default.nix
@@ -5,6 +5,7 @@
 , openssl
 , pkg-config
 , makeWrapper
+, installShellFiles
 , Security
 , libiconv
 
@@ -20,21 +21,20 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "rbw";
-  version = "1.1.2";
+  version = "1.2.0";
 
   src = fetchCrate {
     inherit version;
     crateName = pname;
-    sha256 = "1xihjx4f8kgyablxsy8vgn4w6i92p2xm5ncacdk39npa5g8wadlx";
+    sha256 = "14cnqc5cf6qm2g9ypv2pbqbvymawyrqn3fc778labgqg24khqcyq";
   };
 
-  cargoSha256 = "0fvs06wd05a90dggi7n46d5gl9flnciqzg9j3ijmz3z5bb6aky1b";
-
-  cargoPatches = [ ./bump-security-framework-crate.patch ];
+  cargoSha256 = "0izn5bcvk1rx69sjwyfc49nmvw7k0jysqb0bpdpwdliaa06ggl86";
 
   nativeBuildInputs = [
     pkg-config
     makeWrapper
+    installShellFiles
   ];
 
   buildInputs = lib.optionals stdenv.isDarwin [ Security libiconv ];
@@ -60,7 +60,12 @@ rustPlatform.buildRustPackage rec {
     export OPENSSL_LIB_DIR="${openssl.out}/lib"
   '';
 
-  postInstall = lib.optionalString withFzf ''
+  postInstall = ''
+    for shell in bash zsh fish; do
+      $out/bin/rbw gen-completions $shell > rbw.$shell
+      installShellCompletion rbw.$shell
+    done
+  '' + lib.optionalString withFzf ''
     cp bin/rbw-fzf $out/bin
   '' + lib.optionalString withRofi ''
     cp bin/rbw-rofi $out/bin