diff --git a/pkgs/by-name/st/stalwart-mail/webadmin.nix b/pkgs/by-name/st/stalwart-mail/webadmin.nix
index cf7c06a17ead..53c44fa5d017 100644
--- a/pkgs/by-name/st/stalwart-mail/webadmin.nix
+++ b/pkgs/by-name/st/stalwart-mail/webadmin.nix
@@ -3,7 +3,7 @@
   rustPlatform,
   fetchFromGitHub,
   trunk,
-  tailwindcss,
+  tailwindcss_3,
   fetchNpmDeps,
   nix-update-script,
   nodejs,
@@ -44,7 +44,7 @@ rustPlatform.buildRustPackage rec {
     llvmPackages.bintools-unwrapped
     nodejs
     npmHooks.npmConfigHook
-    tailwindcss
+    tailwindcss_3
     trunk
     # needs to match with wasm-bindgen version in upstreams Cargo.lock
     wasm-bindgen-cli_0_2_93