diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..9cb89fa
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,31 @@
+name: CI
+
+on:
+  - push
+  - pull_request
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: purescript-contrib/setup-purescript@main
+
+      - uses: actions/setup-node@v1
+        with:
+          node-version: "12"
+
+      - name: Install dependencies
+        run: |
+          npm install -g bower
+          npm install
+          bower install --production
+
+      - name: Build source
+        run: npm run-script build
+
+      - name: Run tests
+        run: |
+          bower install
+          npm run-script test --if-present
diff --git a/.gitignore b/.gitignore
index 307f9c0..f97581b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,6 @@
 /.*
 !/.gitignore
-!/.travis.yml
+!/.github
 /bower_components/
 /node_modules/
 /output/
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 7f150a3..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,17 +0,0 @@
-language: node_js
-dist: trusty
-sudo: required
-node_js: stable
-install:
-  - npm install -g bower
-  - npm install
-  - bower install --production
-script:
-  - npm run -s build
-  - bower install
-  - npm -s test
-after_success:
-- >-
-  test $TRAVIS_TAG &&
-  echo $GITHUB_TOKEN | pulp login &&
-  echo y | pulp publish --no-push
diff --git a/bower.json b/bower.json
index 45356ff..a74275d 100644
--- a/bower.json
+++ b/bower.json
@@ -3,7 +3,7 @@
   "license": "Apache-2.0",
   "repository": {
     "type": "git",
-    "url": "git://github.com/slamdata/purescript-ejson.git"
+    "url": "https://github.com/slamdata/purescript-ejson.git"
   },
   "ignore": [
     "**/.*",
@@ -15,16 +15,16 @@
     "package.json"
   ],
   "dependencies": {
-    "purescript-ordered-collections": "^1.0.0",
-    "purescript-matryoshka": "^0.4.0",
-    "purescript-bifunctors": "^4.0.0",
-    "purescript-newtype": "^3.0.0",
-    "purescript-parsing": "^5.0.1",
-    "purescript-precise": "^4.0.0",
-    "purescript-profunctor-lenses": "^6.0.0",
-    "purescript-datetime": "^4.0.0"
+    "purescript-ordered-collections": "^2.0.1",
+    "purescript-matryoshka": "^0.5.0",
+    "purescript-bifunctors": "^5.0.0",
+    "purescript-newtype": "^4.0.0",
+    "purescript-parsing": "^6.0.1",
+    "purescript-precise": "^5.0.0",
+    "purescript-profunctor-lenses": "^7.0.0",
+    "purescript-datetime": "^5.0.2"
   },
   "devDependencies": {
-    "purescript-quickcheck": "^6.0.0"
+    "purescript-quickcheck": "^7.0.0"
   }
 }
diff --git a/package.json b/package.json
index e5d7953..cda102b 100644
--- a/package.json
+++ b/package.json
@@ -6,9 +6,9 @@
     "test": "pulp test"
   },
   "devDependencies": {
-    "pulp": "^12.0.0",
-    "purescript": "^0.12.0",
-    "purescript-psa": "^0.6.0",
-    "rimraf": "^2.6.1"
+    "pulp": "^15.0.0",
+    "purescript": "^0.14.1",
+    "purescript-psa": "^0.8.2",
+    "rimraf": "^3.0.2"
   }
 }
diff --git a/src/Data/Json/Extended/Cursor.purs b/src/Data/Json/Extended/Cursor.purs
index 312ddf6..474059b 100644
--- a/src/Data/Json/Extended/Cursor.purs
+++ b/src/Data/Json/Extended/Cursor.purs
@@ -5,7 +5,7 @@ import Prelude
 import Data.Array as A
 import Data.Bifunctor (lmap)
 import Data.Eq (class Eq1)
-import Data.Foldable (class Foldable)
+import Data.Foldable (class Foldable, lookup)
 import Data.Functor.Mu (Mu)
 import Data.Json.Extended (EJson)
 import Data.Json.Extended as EJ
@@ -13,8 +13,7 @@ import Data.Maybe (Maybe(..), maybe)
 import Data.Ord (class Ord1)
 import Data.TacitString (TacitString)
 import Data.Traversable (class Traversable, traverse)
-import Data.Tuple (Tuple(..), lookup)
-
+import Data.Tuple (Tuple(..))
 import Matryoshka (Algebra, cata, project, embed)
 
 -- | A cursor to a location in an EJson value.
diff --git a/src/Data/Json/Extended/Signature/Parse.purs b/src/Data/Json/Extended/Signature/Parse.purs
index c8967c1..f60735c 100644
--- a/src/Data/Json/Extended/Signature/Parse.purs
+++ b/src/Data/Json/Extended/Signature/Parse.purs
@@ -110,22 +110,6 @@ parseDigit =
     , 9 <$ PS.string "9"
     ]
 
-parse10 ∷ ∀ m. Monad m ⇒ P.ParserT String m Int
-parse10 = (tens <$> parseDigit <*> parseDigit) <|> parseDigit
-  where
-  tens x y = x * 10 + y
-
-parse1000 ∷ ∀ m. Monad m ⇒ P.ParserT String m Int
-parse1000
-  = (thousands <$> parseDigit <*> parseDigit <*> parseDigit <*> parseDigit)
-  <|> (hundreds <$> parseDigit <*> parseDigit <*> parseDigit)
-  <|> (tens <$> parseDigit <*> parseDigit)
-  <|> parseDigit
-  where
-  thousands x y z w = x * 1000 + y * 100 + z * 10 + w
-  hundreds x y z = x * 100 + y * 10 + z
-  tens x y = x * 10 + y
-
 -- | This is used for parsing both `Int` and `HugeInt` values so has some extra
 -- | arguments. The `n` value should be 10 in the appropriate type, used to
 -- | move the place of each digit that is parsed. The `Int -> n` function
diff --git a/src/Data/Json/Extended/Signature/Render.purs b/src/Data/Json/Extended/Signature/Render.purs
index f0e6cad..f585483 100644
--- a/src/Data/Json/Extended/Signature/Render.purs
+++ b/src/Data/Json/Extended/Signature/Render.purs
@@ -43,9 +43,6 @@ commaSep = F.intercalate ", "
 renderPairs ∷ Array (T.Tuple String String) → String
 renderPairs = commaSep <<< map (\(T.Tuple k v) → k <> ": " <> v)
 
-parens ∷ String → String
-parens str = "(" <> str <> ")"
-
 squares ∷ String → String
 squares str = "[" <> str <> "]"