diff --git a/flake.nix b/flake.nix
index 7c3b4c3..1e6515e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -61,7 +61,7 @@
       with pkgs; {
         defaultPackage = appBuild;
         devShell = mkShell {
-          buildInputs = [nodejs yarn watchman gradle_7 alejandra nodePackages.prettier];
+          buildInputs = [nodejs yarn watchman gradle_7 alejandra nodePackages.prettier typescript];
           ANDROID_SDK_BIN = android-sdk;
           shellHook = ''
             export JAVA_HOME=${pkgs.jdk17.home}