diff --git a/.gitmodules b/.gitmodules
index 51989b1..c4cb432 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "content/themes/ananke"]
 	path = content/themes/ananke
 	url = https://github.com/theNewDynamic/gohugo-theme-ananke.git
+[submodule "content/themes/hugo-theme-techdoc-x"]
+	path = content/themes/hugo-theme-techdoc-x
+	url = https://github.com/wollud1969/hugo-theme-techdoc
diff --git a/content/hugo.yaml b/content/hugo.yaml
index 9425a01..4f06c15 100644
--- a/content/hugo.yaml
+++ b/content/hugo.yaml
@@ -3,7 +3,7 @@ languageCode: "en-us"
 title: "Minimal Setups"
 theme: "ananke"
 # theme: "hextra"
-theme: "hugo-theme-techdoc"
+theme: "hugo-theme-techdoc-x"
 googleAnalystics: ""
 
 params:
diff --git a/content/themes/hugo-theme-techdoc-x b/content/themes/hugo-theme-techdoc-x
new file mode 160000
index 0000000..0d749fd
--- /dev/null
+++ b/content/themes/hugo-theme-techdoc-x
@@ -0,0 +1 @@
+Subproject commit 0d749fda7497cd170125a67212084243858cbe78