diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 3696d52a048db65e2b09cd3a4a4aa42db9313b29..3dcf6dbafe78072fb683446c1fb279e5594f0cb1 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -77,21 +77,12 @@ stages:
 ############ LICENSE HEADERS ############
 license_header:
   stage: license
-  image: labrobotica/wolf_deps:16.04
+  image: labrobotica/wolf_deps:20.04
   before_script:  
     - *preliminaries_definition
   script: 
     - *license_header_definition
 
-############ UBUNTU 16.04 TESTS ############
-build_and_test:xenial:
-  stage: build_and_test
-  image: labrobotica/wolf_deps:16.04
-  except:
-    - master
-  script:
-    - *build_and_test_definition
-
 ############ UBUNTU 18.04 TESTS ############
 build_and_test:bionic:
   stage: build_and_test