diff --git a/Gemfile b/Gemfile
index 582fc47827c7..bc673e74dcf9 100644
--- a/Gemfile
+++ b/Gemfile
@@ -218,7 +218,7 @@ gem "dry-validation"
 gem "store_attribute", "~> 1.0"
 
 # Appsignal integration
-gem "appsignal", "~> 3.10.0", require: false
+gem "appsignal", "~> 4.2", require: false
 
 gem "view_component"
 # Lookbook
diff --git a/Gemfile.lock b/Gemfile.lock
index 47d3cd0cc254..45bcbbd02770 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -335,7 +335,8 @@ GEM
     airbrake-ruby (6.2.2)
       rbtree3 (~> 0.6)
     android_key_attestation (0.3.0)
-    appsignal (3.10.0)
+    appsignal (4.2.0)
+      logger
       rack
     ast (2.4.2)
     attr_required (1.0.2)
@@ -1208,7 +1209,7 @@ DEPENDENCIES
   acts_as_tree (~> 2.9.0)
   addressable (~> 2.8.0)
   airbrake (~> 13.0.0)
-  appsignal (~> 3.10.0)
+  appsignal (~> 4.2)
   auto_strip_attributes (~> 2.5)
   awesome_nested_set (~> 3.7.0)
   aws-sdk-core (~> 3.107)
diff --git a/config/initializers/appsignal.rb b/config/initializers/appsignal.rb
index 7a7c9fee84ee..4159de1e877f 100644
--- a/config/initializers/appsignal.rb
+++ b/config/initializers/appsignal.rb
@@ -3,56 +3,53 @@
 
 if OpenProject::Appsignal.enabled?
   require "appsignal"
-  Rails.application.configure do |app|
-    config = {
-      active: true,
-      name: ENV.fetch("APPSIGNAL_NAME"),
-      push_api_key: ENV.fetch("APPSIGNAL_KEY"),
-      revision: OpenProject::VERSION.to_s,
-      ignore_actions: [
-        "OkComputer::OkComputerController#show",
-        "OkComputer::OkComputerController#index",
-        "GET::API::V3::Notifications::NotificationsAPI",
-        "GET::API::V3::Notifications::NotificationsAPI#/notifications/"
-      ],
-      ignore_errors: [
-        "Grape::Exceptions::MethodNotAllowed",
-        "ActionController::UnknownFormat",
-        "ActiveJob::DeserializationError",
-        "Net::SMTPServerBusy"
-      ],
-      ignore_logs: [
-        "GET /health_check"
-      ]
-    }
-
-    if ENV["APPSIGNAL_DEBUG"] == "true"
-      config[:log] = "stdout"
-      config[:debug] = true
-      config[:log_level] = "debug"
-    end
-
-    Appsignal.config = Appsignal::Config.new(
-      Rails.root,
-      Rails.env,
-      config
-    )
 
+  Rails.application.configure do |app|
     app.middleware.insert_after(
       ActionDispatch::DebugExceptions,
       Appsignal::Rack::RailsInstrumentation
     )
+  end
 
-    # Extend the core log delegator
-    handler = OpenProject::Appsignal.method(:exception_handler)
-    OpenProject::Logging::LogDelegator.register(:appsignal, handler)
+  Appsignal.configure do |config|
+    config.active = true
+    config.name = ENV.fetch("APPSIGNAL_NAME")
+    config.push_api_key = ENV.fetch("APPSIGNAL_KEY")
+    config.revision = OpenProject::VERSION.to_s
 
-    # Send our logs to appsignal
-    if OpenProject::Appsignal.logging_enabled?
-      appsignal_logger = Appsignal::Logger.new("rails")
-      Rails.logger.broadcast_to(appsignal_logger)
+    if ENV["APPSIGNAL_DEBUG"] == "true"
+      config.log = "stdout"
+      config.log_level = "debug"
     end
 
-    Appsignal.start
+    config.ignore_actions = [
+      "OkComputer::OkComputerController#show",
+      "OkComputer::OkComputerController#index",
+      "GET::API::V3::Notifications::NotificationsAPI",
+      "GET::API::V3::Notifications::NotificationsAPI#/notifications/"
+    ]
+
+    config.ignore_errors = [
+      "Grape::Exceptions::MethodNotAllowed",
+      "ActionController::UnknownFormat",
+      "ActiveJob::DeserializationError",
+      "Net::SMTPServerBusy"
+    ]
+
+    config.ignore_logs = [
+      "GET /health_check"
+    ]
   end
+
+  # Extend the core log delegator
+  handler = OpenProject::Appsignal.method(:exception_handler)
+  OpenProject::Logging::LogDelegator.register(:appsignal, handler)
+
+  # Send our logs to appsignal
+  if OpenProject::Appsignal.logging_enabled?
+    appsignal_logger = Appsignal::Logger.new("rails")
+    Rails.logger.broadcast_to(appsignal_logger)
+  end
+
+  Appsignal.start
 end