diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..b76244d
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "themes/docsy"]
+	path = themes/docsy
+	url = https://github.com/google/docsy.git
diff --git a/package.json b/package.json
index 78750d5..58ec8db 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "devDependencies": {
     "autoprefixer": "^9.7.6",
     "bulma": "^0.8.0",
-    "netlify-cli": "^2.46.0",
+    "netlify-cli": "^2.51.0",
     "postcss-cli": "^7.1.0"
   }
 }
diff --git a/themes/docsy b/themes/docsy
new file mode 160000
index 0000000..053672c
--- /dev/null
+++ b/themes/docsy
@@ -0,0 +1 @@
+Subproject commit 053672c24cf51417c300f8ea5d32db545340746d