diff --git a/packages/hs2js/package.json b/packages/hs2js/package.json
index e068458d..c650dfc8 100644
--- a/packages/hs2js/package.json
+++ b/packages/hs2js/package.json
@@ -1,6 +1,7 @@
 {
   "name": "hs2js",
   "version": "0.2.0",
+  "private": true,
   "description": "Experimental Haskell in JavaScript interpreter",
   "main": "src/index.mjs",
   "type": "module",
diff --git a/packages/tidal/package.json b/packages/tidal/package.json
index 30b9390f..8e487161 100644
--- a/packages/tidal/package.json
+++ b/packages/tidal/package.json
@@ -1,6 +1,7 @@
 {
   "name": "@strudel/tidal",
   "version": "0.2.0",
+  "private": true,
   "description": "Experimental Tidal Code interpreter",
   "module": "tidal.mjs",
   "repository": {