diff --git a/pkgs/development/interpreters/ruby/rubygems/default.nix b/pkgs/development/interpreters/ruby/rubygems/default.nix
index f0818da2a53d..8e9e35dae59a 100644
--- a/pkgs/development/interpreters/ruby/rubygems/default.nix
+++ b/pkgs/development/interpreters/ruby/rubygems/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "rubygems";
-  version = "3.4.21";
+  version = "3.4.22";
 
   src = fetchurl {
     url = "https://rubygems.org/rubygems/rubygems-${version}.tgz";
-    hash = "sha256-oIz9sT+ZfKh1HZc3Fg300EQpSfNsG7fZZB/ilcKXEIA=";
+    hash = "sha256-gD+nd3bRHT0btWOCZhbIERJEJeAzGtH9mDxBRARqYVY=";
   };
 
   patches = [
@@ -26,6 +26,7 @@ stdenv.mkDerivation rec {
     changelog = "https://github.com/rubygems/rubygems/blob/v${version}/CHANGELOG.md";
     homepage = "https://rubygems.org/";
     license = with licenses; [ mit /* or */ ruby ];
+    mainProgram = "gem";
     maintainers = with maintainers; [ zimbatm ];
   };
 }
diff --git a/pkgs/development/ruby-modules/bundler/default.nix b/pkgs/development/ruby-modules/bundler/default.nix
index 632aa101b31d..c4c3cd8b8d23 100644
--- a/pkgs/development/ruby-modules/bundler/default.nix
+++ b/pkgs/development/ruby-modules/bundler/default.nix
@@ -4,8 +4,8 @@ buildRubyGem rec {
   inherit ruby;
   name = "${gemName}-${version}";
   gemName = "bundler";
-  version = "2.4.21";
-  source.sha256 = "sha256-AXrnGnsKMCTGFONEzQzFahbLNK/FOtoYmfs3nSZiTJE=";
+  version = "2.4.22";
+  source.sha256 = "sha256-dHulCw5n3yXL07SPlYMad6TVOlgdVfBjly/LFG0ULF8=";
   dontPatchShebangs = true;
 
   postFixup = ''