diff --git a/src/startUpdateDependents.ts b/src/startUpdateDependents.ts
index d4a188a..76ddbc3 100644
--- a/src/startUpdateDependents.ts
+++ b/src/startUpdateDependents.ts
@@ -34,11 +34,12 @@ export default async function startUpdateDependents({ cwd }: { cwd: string }) {
     message: `Ticket to associate with pull requests? (e.g. ON-4323, OB-4323)`,
     required: true,
     validate: (input) => {
-      if (!/^(ON-|OB-)\d+$/.test(input)) {
+      if (!/^(ON-|OB-)\d+$/i.test(input)) {
         return 'Ticket must be "ON-" or "OB-" followed by a number'
       }
       return true
     },
+    result: (input) => input.toUpperCase(),
   })
 
   const { isUpdatingTypes } = await enquirer.prompt<{