diff --git a/.gitmodules b/.gitmodules
index 9eb4e9e..231d145 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "3rd_party/scripts"]
 	path = 3rd_party/scripts
 	url = https://gitlab.com/src_prepare/scripts
+[submodule "3rd_party/eclass-to-manpage"]
+	path = 3rd_party/eclass-to-manpage
+	url = https://github.com/mgorny/eclass-to-manpage
diff --git a/3rd_party/eclass-to-manpage b/3rd_party/eclass-to-manpage
new file mode 160000
index 0000000..37e6708
--- /dev/null
+++ b/3rd_party/eclass-to-manpage
@@ -0,0 +1 @@
+Subproject commit 37e670876eef755aab8eeaeeaa89a01fe1732153