diff --git a/plugins/serpro_captcha b/plugins/serpro_captcha
index 56a336a..c6a155b 160000
--- a/plugins/serpro_captcha
+++ b/plugins/serpro_captcha
@@ -1 +1 @@
-Subproject commit 56a336a5d35e3f1e9d9f51ce0f13768ec9f7c828
+Subproject commit c6a155b608056d1cba387904e4ca34a5145a073f
--
libgit2 0.21.2