diff --git a/plugins/serpro_captcha b/plugins/serpro_captcha
index b581a44..6bc22cb 160000
--- a/plugins/serpro_captcha
+++ b/plugins/serpro_captcha
@@ -1 +1 @@
-Subproject commit b581a44c650841aee3a86675d2f06adddfd848c2
+Subproject commit 6bc22cb64bf23a142d934b7e1818ce02d073b578
--
libgit2 0.21.2