diff --git a/.gitmodules b/.gitmodules
index 01121c8..fdd5cb6 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -36,4 +36,4 @@
 	url = https://gitlab.com/participa/proposal-app.git
 [submodule "plugins/serpro_captcha"]
 	path = plugins/serpro_captcha
-	url = git@gitlab.com:noosfero-plugins/serpro_captcha.git
+	url = https://gitlab.com/noosfero-plugins/serpro_captcha.git
--
libgit2 0.21.2