diff --git a/.gitmodules b/.gitmodules
index 8b0e5e6..b5ad69c 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "plugins/pairwise"]
 	path = plugins/pairwise
 	url = git@gitlab.com:noosfero-plugins/pairwise.git
+[submodule "plugins/proposals_discussion"]
+	path = plugins/proposals_discussion
+	url = git@gitlab.com:noosfero-plugins/proposals_discussion.git
diff --git a/plugins/proposals_discussion b/plugins/proposals_discussion
new file mode 160000
index 0000000..a2ecebd
--- /dev/null
+++ b/plugins/proposals_discussion
@@ -0,0 +1 @@
+Subproject commit a2ecebd84ea929b92b0829fb2289628131956eea
--
libgit2 0.21.2