diff --git a/lib/splitclient-rb/cache/fetchers/segment_fetcher.rb b/lib/splitclient-rb/cache/fetchers/segment_fetcher.rb
index 8c618e89..6fea7ef0 100644
--- a/lib/splitclient-rb/cache/fetchers/segment_fetcher.rb
+++ b/lib/splitclient-rb/cache/fetchers/segment_fetcher.rb
@@ -15,15 +15,10 @@ def initialize(segments_repository, api_key, config, telemetry_runtime_producer)
         def call
           if ENV['SPLITCLIENT_ENV'] == 'test'
             fetch_segments
-          else
-            segments_thread
-
-            if defined?(PhusionPassenger)
-              PhusionPassenger.on_event(:starting_worker_process) do |forked|
-                segments_thread if forked
-              end
-            end
+            return
           end
+          
+          segments_thread
         end
 
         def fetch_segments_if_not_exists(names, cache_control_headers = false)
diff --git a/lib/splitclient-rb/cache/fetchers/split_fetcher.rb b/lib/splitclient-rb/cache/fetchers/split_fetcher.rb
index 92c33b4d..30d621c9 100644
--- a/lib/splitclient-rb/cache/fetchers/split_fetcher.rb
+++ b/lib/splitclient-rb/cache/fetchers/split_fetcher.rb
@@ -15,15 +15,10 @@ def initialize(splits_repository, api_key, config, telemetry_runtime_producer)
         def call
           if ENV['SPLITCLIENT_ENV'] == 'test'
             fetch_splits
-          else
-            splits_thread
-
-            if defined?(PhusionPassenger)
-              PhusionPassenger.on_event(:starting_worker_process) do |forked|
-                splits_thread if forked
-              end
-            end
+            return
           end
+          
+          splits_thread
         end
 
         def fetch_splits(fetch_options = { cache_control_headers: false, till: nil })
diff --git a/lib/splitclient-rb/cache/senders/events_sender.rb b/lib/splitclient-rb/cache/senders/events_sender.rb
index 0be80441..dcaf8371 100644
--- a/lib/splitclient-rb/cache/senders/events_sender.rb
+++ b/lib/splitclient-rb/cache/senders/events_sender.rb
@@ -11,12 +11,6 @@ def initialize(events_repository, config)
 
         def call          
           events_thread
-
-          if defined?(PhusionPassenger)
-            PhusionPassenger.on_event(:starting_worker_process) do |forked|
-              events_thread if forked
-            end
-          end
         end
 
         private
diff --git a/lib/splitclient-rb/cache/senders/impressions_count_sender.rb b/lib/splitclient-rb/cache/senders/impressions_count_sender.rb
index 9e94dff3..84d3d4f7 100644
--- a/lib/splitclient-rb/cache/senders/impressions_count_sender.rb
+++ b/lib/splitclient-rb/cache/senders/impressions_count_sender.rb
@@ -14,12 +14,6 @@ def initialize(config, impression_counter, impressions_api)
 
         def call
           impressions_count_thread
-
-          if defined?(PhusionPassenger)
-            PhusionPassenger.on_event(:starting_worker_process) do |forked|
-              impressions_count_thread if forked
-            end
-          end
         end
 
         private
diff --git a/lib/splitclient-rb/cache/senders/impressions_sender.rb b/lib/splitclient-rb/cache/senders/impressions_sender.rb
index 1c8da739..1d223016 100644
--- a/lib/splitclient-rb/cache/senders/impressions_sender.rb
+++ b/lib/splitclient-rb/cache/senders/impressions_sender.rb
@@ -12,12 +12,6 @@ def initialize(impressions_repository, config, impressions_api)
 
         def call
           impressions_thread
-
-          if defined?(PhusionPassenger)
-            PhusionPassenger.on_event(:starting_worker_process) do |forked|
-              impressions_thread if forked
-            end
-          end
         end
 
         private
diff --git a/lib/splitclient-rb/engine/sync_manager.rb b/lib/splitclient-rb/engine/sync_manager.rb
index e796f389..4b3b9f54 100644
--- a/lib/splitclient-rb/engine/sync_manager.rb
+++ b/lib/splitclient-rb/engine/sync_manager.rb
@@ -56,10 +56,6 @@ def start_thread
           if @config.streaming_enabled
             @config.logger.debug('Starting Straming mode ...')
             connected = @push_manager.start_sse
-
-            if defined?(PhusionPassenger)
-              PhusionPassenger.on_event(:starting_worker_process) { |forked| sse_thread_forked if forked }
-            end
           end
 
           unless connected
@@ -150,11 +146,6 @@ def process_disconnect(reconnect)
       def record_telemetry(type, data)
         @telemetry_runtime_producer.record_streaming_event(type, data)
       end
-
-      def sse_thread_forked
-        connected = @push_manager.start_sse
-        @synchronizer.start_periodic_fetch unless connected
-      end
     end
   end
 end
diff --git a/lib/splitclient-rb/sse/workers/segments_worker.rb b/lib/splitclient-rb/sse/workers/segments_worker.rb
index 0a288ecc..afba6a85 100644
--- a/lib/splitclient-rb/sse/workers/segments_worker.rb
+++ b/lib/splitclient-rb/sse/workers/segments_worker.rb
@@ -61,10 +61,6 @@ def perform_thread
             perform
           end
         end
-
-        def perform_passenger_forked
-          PhusionPassenger.on_event(:starting_worker_process) { |forked| perform_thread if forked }
-        end
       end
     end
   end
diff --git a/lib/splitclient-rb/sse/workers/splits_worker.rb b/lib/splitclient-rb/sse/workers/splits_worker.rb
index 03c780b1..bba572a5 100644
--- a/lib/splitclient-rb/sse/workers/splits_worker.rb
+++ b/lib/splitclient-rb/sse/workers/splits_worker.rb
@@ -70,10 +70,6 @@ def perform_thread
             perform
           end
         end
-
-        def perform_passenger_forked
-          PhusionPassenger.on_event(:starting_worker_process) { |forked| perform_thread if forked }
-        end
       end
     end
   end
diff --git a/lib/splitclient-rb/telemetry/sync_task.rb b/lib/splitclient-rb/telemetry/sync_task.rb
index f8d394e5..af71e790 100644
--- a/lib/splitclient-rb/telemetry/sync_task.rb
+++ b/lib/splitclient-rb/telemetry/sync_task.rb
@@ -10,8 +10,6 @@ def initialize(config, telemetry_synchronizer)
 
       def call
         stats_thread
-
-        PhusionPassenger.on_event(:starting_worker_process) { |forked| stats_thread if forked } if defined?(PhusionPassenger)
       end
 
       private
diff --git a/lib/splitclient-rb/version.rb b/lib/splitclient-rb/version.rb
index da1b73df..6e9e5832 100644
--- a/lib/splitclient-rb/version.rb
+++ b/lib/splitclient-rb/version.rb
@@ -1,3 +1,3 @@
 module SplitIoClient
-  VERSION = '7.3.2'
+  VERSION = '7.3.3.pre.rc3'
 end
diff --git a/splitclient-rb.gemspec b/splitclient-rb.gemspec
index 1e10682a..abe707a2 100644
--- a/splitclient-rb.gemspec
+++ b/splitclient-rb.gemspec
@@ -51,11 +51,11 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'webmock'
 
   spec.add_runtime_dependency 'concurrent-ruby', '~> 1.0'
-  spec.add_runtime_dependency 'faraday', '>= 0.8'
+  spec.add_runtime_dependency 'faraday', '~> 1.9.3'
   spec.add_runtime_dependency 'json', '>= 1.8'
   spec.add_runtime_dependency 'jwt', '>= 2.2.1'
   spec.add_runtime_dependency 'lru_redux'
-  spec.add_runtime_dependency 'net-http-persistent', '>= 2.9'
+  spec.add_runtime_dependency 'net-http-persistent', '~> 4.0.1'
   spec.add_runtime_dependency 'redis', '>= 4.2.2'
   spec.add_runtime_dependency 'socketry', '~> 0.5.1'
   spec.add_runtime_dependency 'thread_safe', '>= 0.3'