diff --git a/lib/luatest b/lib/luatest
index f37b353b..f31fe34b 160000
--- a/lib/luatest
+++ b/lib/luatest
@@ -1 +1 @@
-Subproject commit f37b353b77be50a1f1ce87c1ff2edf0c1b96d5d1
+Subproject commit f31fe34bd3030f858b0f042d5484b73249777867