diff --git a/.gitignore b/.gitignore
index 283968a..1dc94f5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -68,3 +68,5 @@ bower_components
 .aws-credentials.json
 .awspublish*
 
+# Gemini
+gemini/converter
diff --git a/.gitmodules b/.gitmodules
index 1dd8999..96b306a 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "themes/paper"]
 	path = themes/paper
 	url = https://github.com/nanxiaobei/hugo-paper
+[submodule "gemini/converter"]
+	path = gemini/converter
+	url = https://github.com/tdemin/gmnhg.git
diff --git a/gemini/converter b/gemini/converter
new file mode 160000
index 0000000..6f43f76
--- /dev/null
+++ b/gemini/converter
@@ -0,0 +1 @@
+Subproject commit 6f43f76247d54db452186cc06e3e35348856dc1a