diff --git a/HPOpenWeather.podspec b/HPOpenWeather.podspec
index 3a9487a..a597a60 100644
--- a/HPOpenWeather.podspec
+++ b/HPOpenWeather.podspec
@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
 
   s.name         = "HPOpenWeather"
-  s.version      = "3.1.0"
+  s.version      = "3.1.1"
   s.summary      = "Cross-platform framework to communicate with the OpenWeatherMap JSON API"
 
   s.license      = { :type => "MIT", :file => "LICENSE.md" }
diff --git a/Sources/HPOpenWeather/HPOpenWeather.swift b/Sources/HPOpenWeather/HPOpenWeather.swift
index c11a972..476736e 100644
--- a/Sources/HPOpenWeather/HPOpenWeather.swift
+++ b/Sources/HPOpenWeather/HPOpenWeather.swift
@@ -7,6 +7,10 @@ public final class HPOpenWeather {
 
     public var apiKey: String?
 
+    public init(apiKey: String? = nil) {
+        self.apiKey = apiKey
+    }
+
     @discardableResult
     public func requestWeather<R: OpenWeatherRequest>(
         _ request: R?,