diff --git a/purs/README.md b/purs/README.md
index 6920600..b4e35d8 100644
--- a/purs/README.md
+++ b/purs/README.md
@@ -1,6 +1,6 @@
 ## Development (Posix only)
 
-1. Install `purescript`, `purescript-spago`, `parcel-bundler`: 
+1. Install `purescript`, `spago`, `parcel-bundler`: 
 
 ```
 npm install
diff --git a/purs/package.json b/purs/package.json
index 6833c24..47e5611 100644
--- a/purs/package.json
+++ b/purs/package.json
@@ -7,6 +7,8 @@
     "parcel-build": "parcel build dist/bundle.js --out-file dist/app.min.js --public-url /static/js/"
   },
   "devDependencies": {
+    "purescript": "^0.13.3",
+    "spago": "^0.10.0",
     "marked": "^0.7.0",
     "moment": "^2.24.0",
     "parcel-bundler": "^1.12.3",