diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0afc9da..6887c57 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,6 +16,7 @@ jobs:
       - name: Set up a PureScript toolchain
         uses: purescript-contrib/setup-purescript@main
         with:
+          purescript: "unstable"
           purs-tidy: "latest"
 
       - name: Cache PureScript dependencies
@@ -34,3 +35,12 @@ jobs:
 
       - name: Check formatting
         run: purs-tidy check src test
+
+      - name: Verify Bower & Pulp
+        run: |
+          npm install bower pulp@16.0.0-0
+          npx bower install
+          npx pulp build -- --censor-lib --strict
+          if [ -d "test" ]; then
+            npx pulp test
+          fi
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8024c69..8f07156 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@ Notable changes to this project are documented in this file. The format is based
 ## [Unreleased]
 
 Breaking changes:
+- Update project and deps to PureScript v0.15.0 (#16 by @JordanMartinez)
 
 New features:
 
diff --git a/bower.json b/bower.json
index 97ba5f7..cedc64a 100644
--- a/bower.json
+++ b/bower.json
@@ -17,12 +17,12 @@
     "package.json"
   ],
   "dependencies": {
-    "purescript-either": "^5.0.0",
-    "purescript-prelude": "^5.0.0",
-    "purescript-strings": "^5.0.0"
+    "purescript-either": "master",
+    "purescript-prelude": "master",
+    "purescript-strings": "master"
   },
   "devDependencies": {
-    "purescript-console": "^5.0.0",
-    "purescript-effect": "^3.0.0"
+    "purescript-console": "master",
+    "purescript-effect": "master"
   }
 }
diff --git a/packages.dhall b/packages.dhall
index 7a6905b..582d6d3 100644
--- a/packages.dhall
+++ b/packages.dhall
@@ -1,4 +1,4 @@
 let upstream =
-      https://github.com/purescript/package-sets/releases/download/psc-0.14.3-20210722/packages.dhall sha256:1ceb43aa59436bf5601bac45f6f3781c4e1f0e4c2b8458105b018e5ed8c30f8c
+      https://raw.githubusercontent.com/purescript/package-sets/prepare-0.15/src/packages.dhall
 
 in  upstream
diff --git a/spago.dhall b/spago.dhall
index f04b9b1..44b4d2b 100644
--- a/spago.dhall
+++ b/spago.dhall
@@ -1,6 +1,6 @@
 { name = "http-methods"
 , dependencies =
-  [ "console", "effect", "either", "prelude", "psci-support", "strings" ]
+  [ "console", "effect", "either", "prelude", "strings" ]
 , packages = ./packages.dhall
 , sources = [ "src/**/*.purs", "test/**/*.purs" ]
 }