diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..d4d0013
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "themes/tufte"]
+	path = themes/tufte
+	url = https://git.natronics.org/natronics/hexo-theme-tufte.git
diff --git a/themes/tufte b/themes/tufte
new file mode 160000
index 0000000..0625945
--- /dev/null
+++ b/themes/tufte
@@ -0,0 +1 @@
+Subproject commit 06259455edd4e926ff246444099caf7864842d83