diff --git a/.circleci/config.yml b/.circleci/config.yml
index 481a3dc..0e0b6c0 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -12,6 +12,29 @@ jobs:
       - run: mysql -u root -e "create database IF NOT EXISTS test;"
       - run: swift build
       - run: swift test
+  mac-swift5.0:
+    macos:
+      xcode: "10.2.0"
+    steps:
+      - checkout
+      - run: brew update
+      - run: brew install https://gist.github.com/novi/dd21d48d260379e8919d9490bf5cfaec/raw/6ea4daa02d93f4ab0110ad30d87ea2b497a71cd0/cmysqlmariadb.rb #cmysql
+      - run: mkdir -p /usr/local/etc/my.cnf.d #workaround
+      - run: mysql.server start
+      - run: mysql -u root -e "create database IF NOT EXISTS test;"
+      - run: swift build
+      - run: swift test
+  mac-swift5.0-mysql:
+    macos:
+      xcode: "10.2.0"
+    steps:
+      - checkout
+      - run: brew update
+      - run: brew install https://gist.githubusercontent.com/novi/c6d4afa6e9f9cc9c426e3ccd140c3c74/raw/7130ad1d5062cdb2f7492d42e8d5574b864f3e18/cmysql.rb
+      - run: mysql.server start
+      - run: mysql -u root -e "create database IF NOT EXISTS test;"
+      - run: swift build
+      - run: swift test
   linux-swift4.1:
     docker:
       - image: yusukeito/swift-basic:swift4.1
@@ -42,11 +65,29 @@ jobs:
       - run: sleep 5 #wait for mysql
       - run: swift build
       - run: swift test
+  linux-swift5.0:
+    docker:
+      - image: yusukeito/swift-basic:swift5.0
+      - image: mariadb:10.3
+        environment:
+          MYSQL_USER: root
+          MYSQL_DATABASE: "test"
+          MYSQL_ALLOW_EMPTY_PASSWORD: yes
+          MYSQL_ROOT_HOST: "%"
+          DATABASE_HOST: "%"
+    steps:
+      - checkout
+      - run: sleep 5 #wait for mysql
+      - run: swift build
+      - run: swift test
 
 workflows:
   version: 2
   build_and_test:
     jobs:
       - mac-swift4.2
+      - mac-swift5.0
+      - mac-swift5.0-mysql
       - linux-swift4.1
-      - linux-swift4.2
\ No newline at end of file
+      - linux-swift4.2
+      - linux-swift5.0
\ No newline at end of file
diff --git a/Package.resolved b/Package.resolved
deleted file mode 100644
index 669e9dd..0000000
--- a/Package.resolved
+++ /dev/null
@@ -1,16 +0,0 @@
-{
-  "object": {
-    "pins": [
-      {
-        "package": "CMySQL",
-        "repositoryURL": "https://github.com/novi/cmysql.git",
-        "state": {
-          "branch": null,
-          "revision": "dee1732e79a4e49cb4433804983eccb262e2e5d8",
-          "version": "2.0.4"
-        }
-      }
-    ]
-  },
-  "version": 1
-}
diff --git a/Package@swift-5.swift b/Package@swift-5.swift
new file mode 100644
index 0000000..97362ff
--- /dev/null
+++ b/Package@swift-5.swift
@@ -0,0 +1,42 @@
+// swift-tools-version:5.0
+import PackageDescription
+
+let package = Package(
+    name: "MySQL",
+    products: [
+        .library(name: "MySQL", targets: ["MySQL"])
+    ],
+    targets: [
+        .systemLibrary(
+            name: "CMySQL",
+            path: "Sources/cmysql",
+            pkgConfig: "cmysql",
+            providers: [
+                .brew(["cmysql"]),
+                .apt(["libmysqlclient-dev"])
+            ]
+        ),
+        .target(
+            name: "SQLFormatter"
+        ),
+        .target(
+            name: "MySQL",
+            dependencies: [
+                "CMySQL",
+                "SQLFormatter",
+            ]
+        ),
+        .testTarget(
+            name: "MySQLTests",
+            dependencies: [
+                "MySQL"
+            ]
+        ),
+        .testTarget(
+            name: "SQLFormatterTests",
+            dependencies: [
+                "MySQL"
+            ]
+        )
+    ]
+)
diff --git a/README.md b/README.md
index ab83b31..0bcccde 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,6 @@
 mysql-swift
 ===========
 
-[![Swift 4.1](https://img.shields.io/badge/Swift-4.1-orange.svg)](https://swift.org)
 ![Platform Linux, macOS](https://img.shields.io/badge/Platforms-Linux%2C%20macOS-lightgray.svg)
 [![CircleCI](https://circleci.com/gh/novi/mysql-swift.svg?style=svg)](https://circleci.com/gh/novi/mysql-swift)
 
@@ -71,9 +70,9 @@ Install pkg-config `.pc` file in [cmysql](https://github.com/vapor-community/cmy
 
 ```sh
 # cmysql
-$ brew tap vapor/homebrew-tap && brew install cmysql
+$ brew install https://gist.githubusercontent.com/novi/c6d4afa6e9f9cc9c426e3ccd140c3c74/raw/7130ad1d5062cdb2f7492d42e8d5574b864f3e18/cmysql.rb
 # cmysql-mariadb
-$ brew install https://gist.github.com/novi/dd21d48d260379e8919d9490bf5cfaec/raw/6ea4daa02d93f4ab0110ad30d87ea2b497a71cd0/cmysqlmariadb.rb
+$ brew install https://gist.githubusercontent.com/novi/dd21d48d260379e8919d9490bf5cfaec/raw/6ea4daa02d93f4ab0110ad30d87ea2b497a71cd0/cmysqlmariadb.rb
 ```
 
 ## Ubuntu
diff --git a/Sources/MySQL/IDType.swift b/Sources/MySQL/IDType.swift
index cdb066c..b5bfa6f 100644
--- a/Sources/MySQL/IDType.swift
+++ b/Sources/MySQL/IDType.swift
@@ -19,9 +19,15 @@ public extension IDType {
     func queryParameter(option: QueryParameterOption) throws -> QueryParameterType {
         return try id.queryParameter(option: option)
     }
+    #if swift(>=4.2)
+    func hash(into hasher: inout Hasher) {
+        hasher.combine(id)
+    }
+    #else
     var hashValue: Int {
         return id.hashValue
     }
+    #endif
 }
 
 extension IDType where Self: SQLRawStringDecodable, Self.T: SQLRawStringDecodable {
diff --git a/Sources/cmysql/macos.pc b/Sources/cmysql/macos.pc
new file mode 100644
index 0000000..055b192
--- /dev/null
+++ b/Sources/cmysql/macos.pc
@@ -0,0 +1,9 @@
+prefix=/usr/local/opt/mysql
+exec_prefix=${prefix}
+libdir=${exec_prefix}/lib
+includedir=${prefix}/include
+Name: MySQL
+Description: MySQL client library
+Version: 2.0
+Cflags: -I${includedir}
+Libs: -L${libdir} -lmysqlclient
diff --git a/Sources/cmysql/module.modulemap b/Sources/cmysql/module.modulemap
new file mode 100644
index 0000000..849eb6b
--- /dev/null
+++ b/Sources/cmysql/module.modulemap
@@ -0,0 +1,5 @@
+module CMySQL [system] {
+    header "shim.h"
+    link "mysqlclient"
+    export *
+}
diff --git a/Sources/cmysql/shim.h b/Sources/cmysql/shim.h
new file mode 100644
index 0000000..290fc66
--- /dev/null
+++ b/Sources/cmysql/shim.h
@@ -0,0 +1,11 @@
+#ifndef __CMYSQL_SHIM_H__
+#define __CMYSQL_SHIM_H__
+
+#include <mysql/mysql.h>
+
+#if LIBMYSQL_VERSION_ID >= 80000
+typedef int my_bool;
+#endif
+
+#endif
+