diff --git a/.github/workflows/yjit-ubuntu.yml b/.github/workflows/yjit-ubuntu.yml
index 4a7c3ba651..c329182e73 100644
--- a/.github/workflows/yjit-ubuntu.yml
+++ b/.github/workflows/yjit-ubuntu.yml
@@ -162,7 +162,7 @@ jobs:
         timeout-minutes: 60
         env:
           RUBY_TESTOPTS: '-q --tty=no'
-          TEST_BUNDLED_GEMS_ALLOW_FAILURES: ''
+          TEST_BUNDLED_GEMS_ALLOW_FAILURES: 'rbs'
           PRECHECK_BUNDLED_GEMS: 'no'
           SYNTAX_SUGGEST_TIMEOUT: '5'
           YJIT_BINDGEN_DIFF_OPTS: '--exit-code'