diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 06ed895..fc3392b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,15 +10,16 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - uses: purescript-contrib/setup-purescript@main
         with:
           purescript: "unstable"
+          purs-tidy: "latest"
 
-      - uses: actions/setup-node@v2
+      - uses: actions/setup-node@v3
         with:
-          node-version: "14"
+          node-version: "lts/*"
 
       - name: Install dependencies
         run: |
@@ -33,3 +34,7 @@ jobs:
         run: |
           bower install
           npm run-script test --if-present
+
+      - name: Check formatting
+        run: |
+          purs-tidy check src test
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index fe2904a..cb8c299 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,12 +5,16 @@ Notable changes to this project are documented in this file. The format is based
 ## [Unreleased]
 
 Breaking changes:
+- Update `node-buffer` to `v9.0.0` (#48 by @JordanMartinez)
 
 New features:
 
 Bugfixes:
 
 Other improvements:
+- Bumped CI's node version to `lts/*` (#48 by @JordanMartinez)
+- Updated CI `actions/checkout` and `actions/setup-nodee` to `v3` (#48 by @JordanMartinez)
+- Format code via purs-tidy; enforce formatting via CI (#48 by @JordanMartinez)
 
 ## [v7.0.0](https://github.com/purescript-node/purescript-node-streams/releases/tag/v7.0.0) - 2022-04-29
 
diff --git a/bower.json b/bower.json
index be709a7..81d651d 100644
--- a/bower.json
+++ b/bower.json
@@ -20,7 +20,7 @@
     "purescript-effect": "^4.0.0",
     "purescript-either": "^6.0.0",
     "purescript-exceptions": "^6.0.0",
-    "purescript-node-buffer": "^8.0.0",
+    "purescript-node-buffer": "^9.0.0",
     "purescript-nullable": "^6.0.0",
     "purescript-prelude": "^6.0.0"
   }
diff --git a/src/Node/Stream.purs b/src/Node/Stream.purs
index 1f0c470..03eb611 100644
--- a/src/Node/Stream.purs
+++ b/src/Node/Stream.purs
@@ -95,7 +95,7 @@ onData r cb =
   where
   fromEither x =
     case x of
-      Left _  ->
+      Left _ ->
         throw "Stream encoding should not be set"
       Right buf ->
         pure buf
@@ -103,13 +103,13 @@ onData r cb =
 read
   :: forall w
    . Readable w
-   -> Maybe Int
-   -> Effect (Maybe Buffer)
+  -> Maybe Int
+  -> Effect (Maybe Buffer)
 read r size = do
   v <- readEither r size
   case v of
-    Nothing        -> pure Nothing
-    Just (Left _)  -> throw "Stream encoding should not be set"
+    Nothing -> pure Nothing
+    Just (Left _) -> throw "Stream encoding should not be set"
     Just (Right b) -> pure (Just b)
 
 readString
@@ -121,9 +121,9 @@ readString
 readString r size enc = do
   v <- readEither r size
   case v of
-       Nothing          -> pure Nothing
-       Just (Left _)    -> throw "Stream encoding should not be set"
-       Just (Right buf) -> Just <$> Buffer.toString enc buf
+    Nothing -> pure Nothing
+    Just (Left _) -> throw "Stream encoding should not be set"
+    Just (Right buf) -> Just <$> Buffer.toString enc buf
 
 readEither
   :: forall w
diff --git a/test/Main.purs b/test/Main.purs
index 9d9a520..b93662c 100644
--- a/test/Main.purs
+++ b/test/Main.purs
@@ -17,7 +17,6 @@ assertEqual :: forall a. Show a => Eq a => a -> a -> Effect Unit
 assertEqual x y =
   assert' (show x <> " did not equal " <> show y) (x == y)
 
-
 foreign import writableStreamBuffer :: Effect (Writable ())
 
 foreign import getContentsAsString :: forall r. Writable r -> Effect String
@@ -58,34 +57,34 @@ testReads = do
   testReadBuf
 
   where
-    testReadString = do
-      sIn <- passThrough
-      v   <- readString sIn Nothing UTF8
-      assert (isNothing v)
-
-      onReadable sIn do
-        str <- readString sIn Nothing UTF8
-        assert (isJust str)
-        assertEqual (unsafePartial (fromJust str)) testString
-        pure unit
-
-      writeString sIn UTF8 testString \_ -> do
-        pure unit
-
-    testReadBuf = do
-      sIn <- passThrough
-      v   <- read sIn Nothing
-      assert (isNothing v)
-
-      onReadable sIn do
-        buf <- read sIn Nothing
-        assert (isJust buf)
-        _ <- assertEqual <$> (Buffer.toString UTF8 (unsafePartial (fromJust buf)))
-                    <*> pure testString
-        pure unit
-
-      writeString sIn UTF8 testString \_ -> do
-        pure unit
+  testReadString = do
+    sIn <- passThrough
+    v <- readString sIn Nothing UTF8
+    assert (isNothing v)
+
+    onReadable sIn do
+      str <- readString sIn Nothing UTF8
+      assert (isJust str)
+      assertEqual (unsafePartial (fromJust str)) testString
+      pure unit
+
+    writeString sIn UTF8 testString \_ -> do
+      pure unit
+
+  testReadBuf = do
+    sIn <- passThrough
+    v <- read sIn Nothing
+    assert (isNothing v)
+
+    onReadable sIn do
+      buf <- read sIn Nothing
+      assert (isJust buf)
+      _ <- assertEqual <$> (Buffer.toString UTF8 (unsafePartial (fromJust buf)))
+        <*> pure testString
+      pure unit
+
+    writeString sIn UTF8 testString \_ -> do
+      pure unit
 
 testSetDefaultEncoding :: Effect Boolean
 testSetDefaultEncoding = do
@@ -123,9 +122,9 @@ testSetEncoding = do
 
 testPipe :: Effect Boolean
 testPipe = do
-  sIn   <- passThrough
-  sOut  <- passThrough
-  zip   <- createGzip
+  sIn <- passThrough
+  sOut <- passThrough
+  zip <- createGzip
   unzip <- createGunzip
 
   log "pipe 1"
@@ -140,11 +139,9 @@ testPipe = do
       onDataString sOut UTF8 \str -> do
         assertEqual str testString
 
-
 foreign import createGzip :: Effect Duplex
 foreign import createGunzip :: Effect Duplex
 
-
 -- | Create a PassThrough stream, which simply writes its input to its output.
 foreign import passThrough :: Effect Duplex