diff --git a/plugins/serpro_captcha b/plugins/serpro_captcha
index 8f098f7..b581a44 160000
--- a/plugins/serpro_captcha
+++ b/plugins/serpro_captcha
@@ -1 +1 @@
-Subproject commit 8f098f7c6d32adc350a1d21419a86f93b89438fe
+Subproject commit b581a44c650841aee3a86675d2f06adddfd848c2
--
libgit2 0.21.2