diff --git a/pkgs/development/interpreters/ruby/default.nix b/pkgs/development/interpreters/ruby/default.nix
index 4091fc7dc8d8f..73c3a9b8bfb62 100644
--- a/pkgs/development/interpreters/ruby/default.nix
+++ b/pkgs/development/interpreters/ruby/default.nix
@@ -349,4 +349,11 @@ in {
     sha256 = "sha256-lsV1WIcaZ0jeW8nydOk/S1qtBs2PN776Do2U57ikI7w=";
     cargoSha256 = "sha256-6du7RJo0DH+eYMOoh3L31F3aqfR5+iG1iKauSV1uNcQ=";
   };
+
+  ruby_3_3 = generic {
+    version = rubyVersion "3" "3" "0" "preview1";
+    sha256 = "sha256-w0VKkRd5uNdHqw6ocEEDDQAtUz7ayySF/lWLcITaJe0=";
+    cargoSha256 = "sha256-6du7RJo0DH+eYMOoh3L31F3aqfR5+iG1iKauSV1uNcQ=";
+  };
+
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 780b655cd1fac..e5e777b2c842f 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -17858,7 +17858,8 @@ with pkgs;
     ruby_2_7
     ruby_3_0
     ruby_3_1
-    ruby_3_2;
+    ruby_3_2
+    ruby_3_3;
 
   ruby = ruby_3_1;
   rubyPackages = rubyPackages_3_1;
@@ -17867,6 +17868,7 @@ with pkgs;
   rubyPackages_3_0 = recurseIntoAttrs ruby_3_0.gems;
   rubyPackages_3_1 = recurseIntoAttrs ruby_3_1.gems;
   rubyPackages_3_2 = recurseIntoAttrs ruby_3_2.gems;
+  rubyPackages_3_3 = recurseIntoAttrs ruby_3_3.gems;
 
   mruby = callPackage ../development/compilers/mruby { };