diff --git a/package.json b/package.json
index 4d6ae0ce..fc906107 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
     "node": "vercel uses this value to select which node version to use. string must match vercel options exactly to silence warnings."
   },
   "dependencies": {
-    "bs-platform": "9.0.2",
+    "bs-platform": "^9.0.2",
     "next": "^11.0.0",
     "react": "^17.0.2",
     "react-dom": "^17.0.2"
@@ -33,11 +33,13 @@
   "scripts": {
     "next:debug": "NODE_OPTIONS='--inspect' next dev",
     "watch": "concurrently --raw \"bsb -make-world -w\" \"next dev\" ",
-    "build": "bsb -clean-world -make-world && next build && yarn total-dependencies-check",
+    "build": "bsb -clean-world -make-world && next build && yarn total-dependencies-check && yarn missing-interface-check",
     "start-test-server": "next start",
-    "total-dependencies-check": "(test $(grep '^[a-zA-Z@].*:$' yarn.lock | wc -l) -lt 500 && echo ok) || (echo too many deps && exit 1) "
+    "total-dependencies-check": "(test $(grep '^[a-zA-Z@].*:$' yarn.lock | wc -l) -lt 500 && echo ok) || (echo too many deps && exit 1) ",
+    "missing-interface-check": "(find pages/ src/ -name *.res | grep -v 'src/Import.res' | xargs -I % ls %i 1>/dev/null) || (echo 'missing interface file(s)' && exit 1)"
   },
   "scriptsDescription": {
+    "missing-interface-check": "Check that every ReScript module (except Import.res) has an accompanying interface file.",
     "total-dependencies-check": "Test, approximately, whether the current transitiive dependencies has grown significantly."
   },
   "postcss": {
diff --git a/pages/storybook.resi b/pages/storybook.resi
new file mode 100644
index 00000000..b7f6cda4
--- /dev/null
+++ b/pages/storybook.resi
@@ -0,0 +1,4 @@
+@react.component
+let make: unit => React.element
+
+let default: {.} => React.element
diff --git a/src/Icons.resi b/src/Icons.resi
new file mode 100644
index 00000000..fe968c1b
--- /dev/null
+++ b/src/Icons.resi
@@ -0,0 +1,23 @@
+let camel: React.element
+
+let industry: React.element
+
+let academic: React.element
+
+let success: React.element
+
+let language: React.element
+
+let packages: React.element
+
+let applications: React.element
+
+let bestPractices: React.element
+
+let opportunities: React.element
+
+let news: React.element
+
+let web: React.element
+
+let archive: React.element
diff --git a/yarn.lock b/yarn.lock
index c39a3e64..2e707322 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -396,7 +396,7 @@ browserslist@4.16.6, browserslist@^4.16.6:
     escalade "^3.1.1"
     node-releases "^1.1.71"
 
-bs-platform@9.0.2:
+bs-platform@^9.0.2:
   version "9.0.2"
   resolved "https://registry.yarnpkg.com/bs-platform/-/bs-platform-9.0.2.tgz#a6eac70eb8924a322556dacaccbfbc9b2a0d3a37"
   integrity sha512-Ye9JqJ4Oa7mcjjoOVRYI8Uc2Cf8N7jQLWDcdUplY7996d/YErSR7WitmV7XnSwr4EvdrbwjEsg1NxNjUQv3ChA==