diff --git a/src/utils.ts b/src/utils.ts
index cf09a1c13..8952c345e 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -63,7 +63,11 @@ export function getLatestTag(
   tagPrefix: string
 ) {
   return (
-    tags.find((tag) => !prerelease(tag.name.replace(prefixRegex, ''))) || {
+    tags.find(
+      (tag) =>
+        prefixRegex.test(tag.name) &&
+        !prerelease(tag.name.replace(prefixRegex, ''))
+    ) || {
       name: `${tagPrefix}0.0.0`,
       commit: {
         sha: 'HEAD',