diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 58b6fb1..eee3b57 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,8 +1,6 @@
 default:
-  image: go
-
-job:
-        script:
-                uname -a
-                go run cmd/tlshandshake/tlshandshake.go -tls_min 1.2 -tls_max 1.3 onet.pl
+  image: golang:1.13
+  script:
+    - uname -a
+    - go run cmd/tlshandshake/tlshandshake.go -tls_min 1.2 -tls_max 1.3 onet.pl