diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5e8bd81efcef867abf59dbbbd1dcbcfcf0efc4c1..237a2b480c0b6f1db5c8abef4673bec77a06ad09 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -36,7 +36,7 @@ ubuntu:
         CODENAME: xenial
     before_script:
         - apt-get update -yqq
-        - apt-get install -yq apt-transport-https ca-certificates curl gnupg
-        - gpg --recv-keys 14AA40EC0831756756D7F66C4F4EA0AAE5267A6C
+        - apt-get install -yqq apt-transport-https ca-certificates curl gnupg
+        - gpg --keyserver keyserver.ubuntu.com --recv-keys 14AA40EC0831756756D7F66C4F4EA0AAE5267A6C
         - gpg --export 14AA40EC0831756756D7F66C4F4EA0AAE5267A6C | apt-key add -
         - echo "deb http://ppa.launchpad.net/ondrej/php/ubuntu $CODENAME main" > /etc/apt/sources.list.d/php.list