diff --git a/test/babashka/neil/dep_upgrade_test.clj b/test/babashka/neil/dep_upgrade_test.clj
index 823f531..2d1d845 100644
--- a/test/babashka/neil/dep_upgrade_test.clj
+++ b/test/babashka/neil/dep_upgrade_test.clj
@@ -247,7 +247,7 @@
       (is (not (:git/tag kondo-upgrade)) ", there is no tag.")))
 
   (testing "when --unstable is set, upgrade to unstable hiccup versions"
-    (is (= {:mvn/version "2.0.0-RC3"}
+    (is (= {:mvn/version "2.0.0-RC4"}
            (neil/dep->upgrade {:lib 'hiccup/hiccup
                                :current {:mvn/version "1.0.0"}
                                :unstable true})))))