diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 43d2897..c69237a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,10 +13,12 @@ jobs:
       - uses: actions/checkout@v2
 
       - uses: purescript-contrib/setup-purescript@main
+        with:
+          purescript: "unstable"
 
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v2
         with:
-          node-version: "12"
+          node-version: "14.x"
 
       - name: Install dependencies
         run: |
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3f75361..fb717fc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,18 @@ Notable changes to this project are documented in this file. The format is based
 
 Breaking changes:
 
+New features:
+
+Bugfixes:
+
+Other improvements:
+
+## [v6.0.0](https://github.com/purescript/purescript-maybe/releases/tag/v6.0.0) - 2022-04-27
+
+Breaking changes:
+- Update project and deps to PureScript v0.15.0 (#60 by @JordanMartinez)
+- Drop deprecated `MonadZero` instance (#61 by @JordanMartinez)
+
 New features:
 - Added `Semiring` instance (#59)
 
diff --git a/bower.json b/bower.json
index 3540267..a2ab363 100644
--- a/bower.json
+++ b/bower.json
@@ -16,9 +16,9 @@
     "package.json"
   ],
   "dependencies": {
-    "purescript-control": "^5.0.0",
-    "purescript-invariant": "^5.0.0",
-    "purescript-newtype": "^4.0.0",
-    "purescript-prelude": "^5.0.0"
+    "purescript-control": "^6.0.0",
+    "purescript-invariant": "^6.0.0",
+    "purescript-newtype": "^5.0.0",
+    "purescript-prelude": "^6.0.0"
   }
 }
diff --git a/package.json b/package.json
index b81b437..3e28704 100644
--- a/package.json
+++ b/package.json
@@ -2,11 +2,11 @@
   "private": true,
   "scripts": {
     "clean": "rimraf output && rimraf .pulp-cache",
-    "build": "pulp build -- --censor-lib --strict --censor-codes='UserDefinedWarning'"
+    "build": "pulp build -- --censor-lib --strict"
   },
   "devDependencies": {
-    "pulp": "^15.0.0",
-    "purescript-psa": "^0.8.0",
+    "pulp": "16.0.0-0",
+    "purescript-psa": "^0.8.2",
     "rimraf": "^3.0.2"
   }
 }
diff --git a/src/Data/Maybe.purs b/src/Data/Maybe.purs
index 9c80c05..743279b 100644
--- a/src/Data/Maybe.purs
+++ b/src/Data/Maybe.purs
@@ -5,7 +5,6 @@ import Prelude
 import Control.Alt (class Alt, (<|>))
 import Control.Alternative (class Alternative)
 import Control.Extend (class Extend)
-import Control.MonadZero (class MonadZero)
 import Control.Plus (class Plus)
 
 import Data.Eq (class Eq1)
@@ -154,8 +153,6 @@ instance bindMaybe :: Bind Maybe where
 -- | ```
 instance monadMaybe :: Monad Maybe
 
-instance monadZeroMaybe :: MonadZero Maybe
-
 -- | The `Extend` instance allows sequencing of `Maybe` values and functions
 -- | that accept a `Maybe a` and return a non-`Maybe` result using the
 -- | `<<=` operator.
diff --git a/src/Data/Maybe/First.purs b/src/Data/Maybe/First.purs
index d99f96e..2641c5c 100644
--- a/src/Data/Maybe/First.purs
+++ b/src/Data/Maybe/First.purs
@@ -2,8 +2,11 @@ module Data.Maybe.First where
 
 import Prelude
 
+import Control.Alt (class Alt)
+import Control.Alternative (class Alternative)
 import Control.Extend (class Extend)
-import Control.MonadZero (class MonadZero, class Alternative, class Plus, class Alt)
+import Control.Plus (class Plus)
+
 import Data.Eq (class Eq1)
 import Data.Functor.Invariant (class Invariant)
 import Data.Maybe (Maybe(..))
@@ -63,5 +66,3 @@ instance plusFirst :: Plus First where
   empty = mempty
 
 instance alternativeFirst :: Alternative First
-
-instance monadZeroFirst :: MonadZero First
diff --git a/src/Data/Maybe/Last.purs b/src/Data/Maybe/Last.purs
index 8aa6157..b70502c 100644
--- a/src/Data/Maybe/Last.purs
+++ b/src/Data/Maybe/Last.purs
@@ -2,8 +2,10 @@ module Data.Maybe.Last where
 
 import Prelude
 
+import Control.Alt (class Alt)
+import Control.Alternative (class Alternative)
 import Control.Extend (class Extend)
-import Control.MonadZero (class MonadZero, class Alternative, class Plus, class Alt)
+import Control.Plus (class Plus)
 import Data.Eq (class Eq1)
 import Data.Functor.Invariant (class Invariant)
 import Data.Maybe (Maybe(..))
@@ -63,5 +65,3 @@ instance plusLast :: Plus Last where
   empty = mempty
 
 instance alternativeLast :: Alternative Last
-
-instance monadZeroLast :: MonadZero Last