diff --git a/.changesets/11920.md b/.changesets/11920.md
new file mode 100644
index 000000000000..6fd2df72318b
--- /dev/null
+++ b/.changesets/11920.md
@@ -0,0 +1,4 @@
+- fix(cli): Pin TailwindCSS to v3 (#11920) by @Tobbe
+
+Pinning TW to v3 for our `yarn rw setup ui tailwind` command until we've added
+support for TW v4
diff --git a/packages/cli/src/commands/setup/ui/libraries/tailwindcss.js b/packages/cli/src/commands/setup/ui/libraries/tailwindcss.js
index e8ce95182058..ed1bbf683adc 100644
--- a/packages/cli/src/commands/setup/ui/libraries/tailwindcss.js
+++ b/packages/cli/src/commands/setup/ui/libraries/tailwindcss.js
@@ -121,7 +121,7 @@ export const handler = async ({ force, install }) => {
   const webWorkspacePackages = [
     'postcss',
     'postcss-loader',
-    'tailwindcss',
+    'tailwindcss@^3.4.17',
     'autoprefixer',
   ]