diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e16f413..fc54710 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -50,8 +50,8 @@ jobs:
       - name: Build the project
         run: npm run build
 
-#      - name: Run tests
-#        run: npm run test
+      - name: Run tests
+        run: npm run test
 
       - name: Check formatting
         run: purs-tidy check src test
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a11de33..db11a44 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,16 @@ Notable changes to this project are documented in this file. The format is based
 
 ## [Unreleased]
 
+Breaking changes:
+
+New features:
+
+Bugfixes:
+
+Other improvements:
+
+## [v6.0.0](https://github.com/purescript-contrib/purescript-nullable/releases/tag/v6.0.0) - 2022-04-27
+
 Breaking changes:
 - Migrate FFI to ES modules (#44 by @JordanMartinez)
 
diff --git a/bower.json b/bower.json
index 3a3f733..6bad054 100644
--- a/bower.json
+++ b/bower.json
@@ -18,12 +18,12 @@
     "package.json"
   ],
   "dependencies": {
-    "purescript-effect": "master",
-    "purescript-functions": "master",
-    "purescript-maybe": "master",
-    "purescript-prelude": "master"
+    "purescript-effect": "^4.0.0",
+    "purescript-functions": "^6.0.0",
+    "purescript-maybe": "^6.0.0",
+    "purescript-prelude": "^6.0.0"
   },
   "devDependencies": {
-    "purescript-assert": "master"
+    "purescript-assert": "^6.0.0"
   }
 }