diff --git a/pkgs/applications/editors/vscode/extensions/default.nix b/pkgs/applications/editors/vscode/extensions/default.nix
index e2ff4cc72708..ccadd0e182bf 100644
--- a/pkgs/applications/editors/vscode/extensions/default.nix
+++ b/pkgs/applications/editors/vscode/extensions/default.nix
@@ -350,6 +350,28 @@ let
         };
       };
 
+      dart-code.flutter = buildVscodeMarketplaceExtension {
+        mktplcRef = {
+          name = "flutter";
+          publisher = "dart-code";
+          version = "3.50.0";
+          sha256 = "sha256-2Mi0BWXfO73BBIZIRJMaQyml+jXBI9d7By+vx9Rg+pE=";
+        };
+
+        meta.license = lib.licenses.mit;
+      };
+
+      dart-code.dart-code = buildVscodeMarketplaceExtension {
+        mktplcRef = {
+          name = "dart-code";
+          publisher = "dart-code";
+          version = "3.50.0";
+          sha256 = "sha256-vdECvW4BfuT3H6GD2cH7lVW0f5591pKjXsWyJzzpHYA=";
+        };
+
+        meta.license = lib.licenses.mit;
+      };
+
       ms-python.vscode-pylance = buildVscodeMarketplaceExtension {
         mktplcRef = {
           name = "vscode-pylance";
@@ -2152,6 +2174,17 @@ let
         };
       };
 
+      rebornix.ruby = buildVscodeMarketplaceExtension {
+        mktplcRef = {
+          name = "ruby";
+          publisher = "rebornix";
+          version = "0.28.1";
+          sha256 = "sha256-HAUdv+2T+neJ5aCGiQ37pCO6x6r57HIUnLm4apg9L50=";
+        };
+
+        meta.license = lib.licenses.mit;
+      };
+
       richie5um2.snake-trail = buildVscodeMarketplaceExtension {
         mktplcRef = {
           name = "snake-trail";
@@ -2876,6 +2909,17 @@ let
 
       WakaTime.vscode-wakatime = callPackage ./wakatime { };
 
+      wingrunr21.vscode-ruby = buildVscodeMarketplaceExtension {
+        mktplcRef = {
+          name = "vscode-ruby";
+          publisher = "wingrunr21";
+          version = "0.28.0";
+          sha256 = "sha256-H3f1+c31x+lgCzhgTb0uLg9Bdn3pZyJGPPwfpCYrS70=";
+        };
+
+        meta.license = lib.licenses.mit;
+      };
+
       wholroyd.jinja = buildVscodeMarketplaceExtension {
         mktplcRef = {
           name = "jinja";