diff --git a/.docker/symfony.conf b/.docker/symfony.conf
index 952407e7..1527286c 100644
--- a/.docker/symfony.conf
+++ b/.docker/symfony.conf
@@ -28,7 +28,7 @@
         PassEnv APP_ENV APP_DEBUG APP_SECRET
         PassEnv TRUSTED_PROXIES TRUSTED_HOSTS LOCK_DSN
         PassEnv DATABASE_URL ENFORCE_CHANGE_COMMENTS_FOR
-        PassEnv DEFAULT_LANG DEFAULT_TIMEZONE BASE_CURRENCY INSTANCE_NAME ALLOW_ATTACHMENT_DOWNLOADS USE_GRAVATAR MAX_ATTACHMENT_FILE_SIZE DEFAULT_URI
+        PassEnv DEFAULT_LANG DEFAULT_TIMEZONE BASE_CURRENCY INSTANCE_NAME ALLOW_ATTACHMENT_DOWNLOADS USE_GRAVATAR MAX_ATTACHMENT_FILE_SIZE DEFAULT_URI CHECK_FOR_UPDATES
         PassEnv MAILER_DSN ALLOW_EMAIL_PW_RESET EMAIL_SENDER_EMAIL EMAIL_SENDER_NAME
         PassEnv HISTORY_SAVE_CHANGED_FIELDS HISTORY_SAVE_CHANGED_DATA HISTORY_SAVE_REMOVED_DATA HISTORY_SAVE_NEW_DATA
         PassEnv ERROR_PAGE_ADMIN_EMAIL ERROR_PAGE_SHOW_HELP
diff --git a/.env b/.env
index 22ba44cf..5b1a73e5 100644
--- a/.env
+++ b/.env
@@ -44,6 +44,9 @@ DEFAULT_URI="https://partdb.changeme.invalid/"
 # Leave this empty, to make all change reasons optional
 ENFORCE_CHANGE_COMMENTS_FOR=""
 
+# Disable that if you do not want that Part-DB connects to GitHub to check for available updates, or if your server can not connect to the internet
+CHECK_FOR_UPDATES=1
+
 ###################################################################################
 # Email settings
 ###################################################################################
diff --git a/config/parameters.yaml b/config/parameters.yaml
index 4baf2fa7..84a07ab9 100644
--- a/config/parameters.yaml
+++ b/config/parameters.yaml
@@ -23,7 +23,7 @@ parameters:
   partdb.users.use_gravatar: '%env(bool:USE_GRAVATAR)%'         # Set to false, if no Gravatar images should be used for user profiles.
   partdb.users.email_pw_reset: '%env(bool:ALLOW_EMAIL_PW_RESET)%' # Config if users are able, to reset their password by email. By default this enabled, when a mail server is configured.
 
-  partdb.check_for_updates: true                                # Set to false, if Part-DB should not contact the GitHub API to check for updates
+  partdb.check_for_updates: '%env(bool:CHECK_FOR_UPDATES)' # Set to false, if Part-DB should not contact the GitHub API to check for updates
 
   ######################################################################################################################
   # Mail settings
diff --git a/docs/configuration.md b/docs/configuration.md
index c0f00933..7dae3923 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -36,6 +36,7 @@ The following configuration options can only be changed by the server administra
   * `datastructure_edit`: Edit operation of a existing datastructure (e.g. category, manufacturer, ...)
   * `datastructure_delete`: Delete operation of a existing datastructure (e.g. category, manufacturer, ...)
   * `datastructure_create`: Creation of a new datastructure (e.g. category, manufacturer, ...)
+* `CHECK_FOR_UPDATES` (default `1`): Set this to 0, if you do not want Part-DB to connect to GitHub to check for new versions, or if your server can not connect to the internet. 
 
 ### E-Mail settings
 * `MAILER_DSN`: You can configure the mail provider which should be used for email delivery (see https://symfony.com/doc/current/components/mailer.html for full documentation). If you just want to use an SMTP mail account, you can use the following syntax `MAILER_DSN=smtp://user:password@smtp.mailserver.invalid:587`