diff --git a/testing/resources/ruby_1_9_3_hooks_repo/hooks.yaml b/testing/resources/ruby_1_9_3_hooks_repo/hooks.yaml
index 8bcf4629..a3286048 100644
--- a/testing/resources/ruby_1_9_3_hooks_repo/hooks.yaml
+++ b/testing/resources/ruby_1_9_3_hooks_repo/hooks.yaml
@@ -2,5 +2,5 @@
     name: Ruby Hook
     entry: ruby_hook
     language: ruby
-    language_version: 1.9.3-p484
+    language_version: 1.9.3-p551
     files: \.rb$
diff --git a/tests/repository_test.py b/tests/repository_test.py
index f5a653fa..798cff67 100644
--- a/tests/repository_test.py
+++ b/tests/repository_test.py
@@ -146,7 +146,7 @@ def test_run_versioned_ruby_hook(tempdir_factory, store):
         tempdir_factory, store, 'ruby_1_9_3_hooks_repo',
         'ruby_hook',
         ['/dev/null'],
-        b'1.9.3\n484\nHello world from a ruby hook\n',
+        b'1.9.3\n551\nHello world from a ruby hook\n',
     )