diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5f2a615..c00fb26 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,2 +1,24 @@
-# 1.0.0
+# 0.4.0
+- Adds listener_startup lifecycle event
+
+# 0.3.0
+- Adds Mocks for testing in applications
+
+# 0.2.2
+- Fix issue where multi-subscriber options were getting overridden
+
+# 0.2.1
+- Use Rails 5 reloader
+- Fix ActiveRecord connection issues using ConnectionHandler
+- Use Google's Default Enviroment Variables for fallback
+
+# 0.2.0
+- Adds PubSub connection testing
+- Fixes a case where subserver would infinitly kill and respawn listeners
+- Cleans up logger code
+
+# 0.1.1
+- Fixes connection handling
+
+# 0.1.0
 - Initial Public Release
\ No newline at end of file
diff --git a/Gemfile.lock b/Gemfile.lock
index 8904b63..f78480f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    subserver (0.2.2)
+    subserver (0.4.0)
       google-cloud-pubsub (~> 0.31, >= 0.31.0)
 
 GEM
@@ -53,12 +53,12 @@ GEM
     arel (9.0.0)
     builder (3.2.3)
     coderay (1.1.2)
-    concurrent-ruby (1.0.5)
+    concurrent-ruby (1.1.4)
     crass (1.0.4)
     diff-lcs (1.3)
     docile (1.3.1)
     erubi (1.7.1)
-    faraday (0.15.3)
+    faraday (0.15.4)
       multipart-post (>= 1.2, < 3)
     globalid (0.4.1)
       activesupport (>= 4.2.0)
@@ -66,15 +66,15 @@ GEM
       google-cloud-env (~> 1.0)
     google-cloud-env (1.0.5)
       faraday (~> 0.11)
-    google-cloud-pubsub (0.33.1)
+    google-cloud-pubsub (0.33.2)
       concurrent-ruby (~> 1.0)
       google-cloud-core (~> 1.2)
       google-gax (~> 1.3)
       grpc-google-iam-v1 (~> 0.6.9)
-    google-gax (1.4.0)
+    google-gax (1.5.0)
       google-protobuf (~> 3.2)
       googleapis-common-protos (>= 1.3.5, < 2.0)
-      googleauth (~> 0.6.2)
+      googleauth (>= 0.6.2, < 0.10.0)
       grpc (>= 1.7.2, < 2.0)
       rly (~> 0.2.3)
     google-protobuf (3.6.1)
@@ -84,14 +84,14 @@ GEM
       grpc (~> 1.0)
     googleapis-common-protos-types (1.0.2)
       google-protobuf (~> 3.0)
-    googleauth (0.6.6)
+    googleauth (0.8.0)
       faraday (~> 0.12)
       jwt (>= 1.4, < 3.0)
-      memoist (~> 0.12)
+      memoist (~> 0.16)
       multi_json (~> 1.11)
       os (>= 0.9, < 2.0)
       signet (~> 0.7)
-    grpc (1.15.0)
+    grpc (1.17.1)
       google-protobuf (~> 3.1)
       googleapis-common-protos-types (~> 1.0.0)
     grpc-google-iam-v1 (0.6.9)
diff --git a/lib/subserver.rb b/lib/subserver.rb
index 744c61e..c2f1c9a 100644
--- a/lib/subserver.rb
+++ b/lib/subserver.rb
@@ -26,6 +26,7 @@ module Subserver
     death_handlers: [],
     lifecycle_events: {
       startup: [],
+      listener_startup: [],
       quiet: [],
       shutdown: [],
       heartbeat: [],
diff --git a/lib/subserver/cli.rb b/lib/subserver/cli.rb
index 3a8c235..ccda448 100644
--- a/lib/subserver/cli.rb
+++ b/lib/subserver/cli.rb
@@ -88,8 +88,8 @@ def run
         end
       end
 
-      # Before this point, the process is initializing with just the main thread.
-      # Starting here the process will now have multiple threads running.
+      # Until this point, the process is initializing with just the main thread.
+      # After this point the process will have multiple threads running.
       fire_event(:startup, reverse: false, reraise: true)
 
       logger.debug { "Middleware: #{Subserver.middleware.map(&:klass).join(', ')}" }
diff --git a/lib/subserver/listener.rb b/lib/subserver/listener.rb
index 87f91ee..b21a9a8 100644
--- a/lib/subserver/listener.rb
+++ b/lib/subserver/listener.rb
@@ -90,6 +90,8 @@ def connect_subscriber
 
     def run
       begin
+        # This begins the listener process in a forked thread
+        fire_event(:listener_startup, reverse: false, reraise: true)
         connect_subscriber
         @pubsub_listener.start
       rescue Subserver::Shutdown
diff --git a/lib/subserver/version.rb b/lib/subserver/version.rb
index d46ae4f..3feca0c 100644
--- a/lib/subserver/version.rb
+++ b/lib/subserver/version.rb
@@ -1,4 +1,4 @@
 # frozen_string_literal: true
 module Subserver
-  VERSION = "0.3.0"
+  VERSION = "0.4.0"
 end
\ No newline at end of file
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 4cd9428..53118f5 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -33,6 +33,8 @@
   # rspec-expectations config goes here. You can use an alternate
   # assertion/expectation library such as wrong or the stdlib/minitest
   # assertions if you prefer.
+  config.filter_run_when_matching :focus
+
   config.expect_with :rspec do |expectations|
     # This option will default to `true` in RSpec 4. It makes the `description`
     # and `failure_message` of custom matchers include text for helper methods
@@ -78,8 +80,8 @@
     topic = client.topic "test"
     if topic.nil?
       topic = client.create_topic "test"
-      subscription = topic.subscribe "test-subscriber-1"
-      subscription = topic.subscribe "test-subscriber-2"
+      subscription = topic.subscribe "test-subscription-1"
+      subscription = topic.subscribe "test-subscription-2"
     end
   end 
 
@@ -91,7 +93,7 @@
   # is tagged with `:focus`, all examples get run. RSpec also provides
   # aliases for `it`, `describe`, and `context` that include `:focus`
   # metadata: `fit`, `fdescribe` and `fcontext`, respectively.
-  config.filter_run_when_matching :focus
+  
 
   # Allows RSpec to persist some state between runs in order to support
   # the `--only-failures` and `--next-failure` CLI options. We recommend
diff --git a/spec/subserver_spec.rb b/spec/subserver_spec.rb
index f2a9a7e..96c203f 100644
--- a/spec/subserver_spec.rb
+++ b/spec/subserver_spec.rb
@@ -1,4 +1,6 @@
 require 'spec_helper'
+require_relative '../lib/subserver/listener'
+require_relative '../lib/subserver/manager'
 
 RSpec.describe Subserver do
 
@@ -16,5 +18,47 @@
     it 'loads when file exists'
     it 'errors when file doesn\'t exit'
   end
+
+  describe 'live cycle events' do
+
+    let(:testclass) {
+      Class.new do 
+        def ping
+          true
+        end
+      end
+    }
+
+    let(:test_subscriber) { 
+      Class.new do 
+        include Subserver::Subscriber 
+        subserver_options subscription: "test-subscription-1"
+
+        def perform
+          true
+        end
+      end
+    }
+
+    before do
+      @tester = testclass.new
+      Subserver.configure do |config|
+        config.on(:listener_startup) do 
+          @tester.ping
+        end 
+      end
+
+      @manager = instance_double("Subserver::Manager")
+      allow(@manager).to receive(:options) { Subserver.options }
+    end
+
+    describe 'listener_startup event' do
+      it 'runs when listener started' do
+        expect(@tester).to receive(:ping)
+        listener = Subserver::Listener.new(@manager, test_subscriber)
+        listener.fire_event(:listener_startup, reverse: false, reraise: true)
+      end
+    end
+  end
   
 end
\ No newline at end of file