diff --git a/config/cdtc/config.yaml b/config/cdtc/config.yaml
index 0c78c53..29f4411 100644
--- a/config/cdtc/config.yaml
+++ b/config/cdtc/config.yaml
@@ -12,3 +12,4 @@ relay_hostname: relay.spb.cdtc.unb.br
 relay_ip: 164.41.9.48
 alt_ssh_port: 55555
 from_address: noreply@spb.cdtc.unb.br
+colab_http_workers: 4
diff --git a/config/dev/config.yaml b/config/dev/config.yaml
index 0f139b6..b8f6000 100644
--- a/config/dev/config.yaml
+++ b/config/dev/config.yaml
@@ -16,3 +16,4 @@ alt_ssh_port: 55555
 external_outgoing_mail_domain: serpro.gov.br
 raven_dsn: https://a5e2f92a83774dfc9de66486e0fe970b:1a9229a4e1d2483582144d302fb53115@sentry.tracy.com.br/19
 google_analytics_id: 'UA-64206731-2'
+colab_http_workers: 8
diff --git a/config/homologa/config.yaml b/config/homologa/config.yaml
index 1628d5e..aaa9f05 100644
--- a/config/homologa/config.yaml
+++ b/config/homologa/config.yaml
@@ -17,3 +17,4 @@ external_outgoing_mail_relay: 189.9.150.53
 external_outgoing_mail_domain: serpro.gov.br
 raven_dsn: https://a5e2f92a83774dfc9de66486e0fe970b:1a9229a4e1d2483582144d302fb53115@sentry.tracy.com.br/19
 google_analytics_id: 'UA-64206731-3'
+colab_http_workers: 8
diff --git a/config/lappis/config.yaml b/config/lappis/config.yaml
index fbaf138..7344259 100644
--- a/config/lappis/config.yaml
+++ b/config/lappis/config.yaml
@@ -12,4 +12,4 @@ relay_hostname: relay.softwarepublico.lappis
 relay_ip: 10.0.0.15
 alt_ssh_port: 5555
 from_address: noreply@softwarepublico.lappis
-
+colab_http_workers: 4
diff --git a/config/local/config.yaml b/config/local/config.yaml
index 5a930a3..53ace0e 100644
--- a/config/local/config.yaml
+++ b/config/local/config.yaml
@@ -13,3 +13,4 @@ relay_ip: 10.10.10.3
 alt_ssh_port: 5555
 from_address: noreply@softwarepublico.dev
 raven_dsn: https://a5e2f92a83774dfc9de66486e0fe970b:1a9229a4e1d2483582144d302fb53115@sentry.tracy.com.br/19
+colab_http_workers: 2
diff --git a/config/prod/config.yaml b/config/prod/config.yaml
index 574909f..e71162c 100644
--- a/config/prod/config.yaml
+++ b/config/prod/config.yaml
@@ -18,3 +18,4 @@ external_outgoing_mail_domain: serpro.gov.br
 raven_dsn: https://4418146896924efe9b73d557f803f047:8a59f39b5f584ff589ecf3dd47faaead@sentry.tracy.com.br/13
 google_analytics_id: 'UA-64206731-1'
 munin_master: 10.21.0.10
+colab_http_workers: 16
diff --git a/cookbooks/colab/recipes/default.rb b/cookbooks/colab/recipes/default.rb
index a8d9eb3..86ee1ca 100644
--- a/cookbooks/colab/recipes/default.rb
+++ b/cookbooks/colab/recipes/default.rb
@@ -47,6 +47,13 @@ execute 'secret-key' do
   notifies :create, 'template[/etc/colab/settings.yaml]'
 end
 
+template '/etc/sysconfig/colab' do
+  owner 'root'
+  group 'root'
+  mode '0640'
+  notifies :restart, 'service[colab]'
+end
+
 template '/etc/colab/settings.yaml' do
   owner  'root'
   group  'colab'
diff --git a/cookbooks/colab/templates/colab.erb b/cookbooks/colab/templates/colab.erb
new file mode 100644
index 0000000..bd557ba
--- /dev/null
+++ b/cookbooks/colab/templates/colab.erb
@@ -0,0 +1 @@
+WEB_CONCURRENCY=<%= node['config']['colab_http_workers'] %>
--
libgit2 0.21.2