diff --git a/CHANGELOG.md b/CHANGELOG.md
index de92b2f45..dcaa7de37 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog Fab-manager
 
+- Updated dependency to OpenLab
+- Prevent the worker from crashing if OpenLab is not reachable in dev
 - Fix a bug: the notification sent to the project author when a collaborator has confirmed his participation is not sent
 
 ## v4.7.8 2021 April 02
diff --git a/Gemfile.lock b/Gemfile.lock
index 1eb73dcbe..088465d48 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -154,7 +154,7 @@ GEM
     hashery (2.1.2)
     hashie (4.1.0)
     htmlentities (4.3.4)
-    httparty (0.18.0)
+    httparty (0.18.1)
       mime-types (~> 3.0)
       multi_xml (>= 0.5.2)
     i18n (1.8.9)
@@ -200,7 +200,7 @@ GEM
     method_source (1.0.0)
     mime-types (3.3.1)
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2020.0512)
+    mime-types-data (3.2021.0225)
     mimemagic (0.3.10)
       nokogiri (~> 1)
       rake
@@ -241,7 +241,7 @@ GEM
     omniauth-rails_csrf_protection (0.1.2)
       actionpack (>= 4.2)
       omniauth (>= 1.3.1)
-    openlab_ruby (0.0.4)
+    openlab_ruby (0.0.5)
       httparty (~> 0.13)
     orm_adapter (0.5.0)
     parallel (1.19.1)
diff --git a/app/workers/openlab_worker.rb b/app/workers/openlab_worker.rb
index 2281b3acb..c14200236 100644
--- a/app/workers/openlab_worker.rb
+++ b/app/workers/openlab_worker.rb
@@ -28,5 +28,7 @@ class OpenlabWorker
     end
 
     logger.debug ['Openlab sync', 'RESPONSE ERROR', response.inspect] unless response.success?
+  rescue Errno::ECONNREFUSED => e
+    logger.warn "Unable to connect to OpenProject, maybe the dev instance is not running: #{e}" if Rails.env.development?
   end
 end