diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8372c06b2f02484be93c1caedce43078615c287f..77ca97b6a25ae52f0d3b8e5268fa9ca48e86d01f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -12,57 +12,54 @@ stages:
 
 
 # Build targets
-.build_template: &build_job
+.build_template:
   stage: build
   script:
     - python3 ./bob/devtools/bootstrap.py -vv build
     - source ${CONDA_ROOT}/etc/profile.d/conda.sh
     - conda activate base
     - python3 ./bob/devtools/build.py -vv
-  cache: &build_caches
+  artifacts:
+    expire_in: 1 week
+  cache:
     paths:
       - miniconda.sh
       - ${CONDA_ROOT}/pkgs/*.tar.bz2
       - ${CONDA_ROOT}/pkgs/urls.txt
 
 
-.build_linux_template: &linux_build_job
-  <<: *build_job
+.build_linux_template:
+  extends: .build_template
   tags:
     - docker
   image: continuumio/conda-concourse-ci
   artifacts:
-    expire_in: 1 week
     paths:
       - ${CONDA_ROOT}/conda-bld/linux-64/*.tar.bz2
       - ${CONDA_ROOT}/conda-bld/noarch/*.tar.bz2
   cache:
-    <<: *build_caches
     key: "linux-cache"
 
 
-.build_macosx_template: &macosx_build_job
-  <<: *build_job
+.build_macosx_template:
+  extends: .build_template
   tags:
     - macosx
   artifacts:
-    expire_in: 1 week
     paths:
       - ${CONDA_ROOT}/conda-bld/osx-64/*.tar.bz2
       - ${CONDA_ROOT}/conda-bld/noarch/*.tar.bz2
   cache:
-    <<: *build_caches
     key: "macosx-cache"
 
 
 build_linux_36:
-  <<: *linux_build_job
+  extends: .build_linux_template
   variables:
     PYTHON_VERSION: "3.6"
 
-
 build_linux_37:
-  <<: *linux_build_job
+  extends: .build_linux_template
   variables:
     PYTHON_VERSION: "3.7"
     BUILD_EGG: "true"
@@ -72,28 +69,26 @@ build_linux_37:
     - conda activate base
     - python3 ./bob/devtools/build.py -vv --twine-check
   artifacts:
-    expire_in: 1 week
     paths:
       - dist/*.zip
       - sphinx
       - ${CONDA_ROOT}/conda-bld/linux-64/*.tar.bz2
       - ${CONDA_ROOT}/conda-bld/noarch/*.tar.bz2
 
-
 build_macosx_36:
-  <<: *macosx_build_job
+  extends: .build_macosx_template
   variables:
     PYTHON_VERSION: "3.6"
 
 
 build_macosx_37:
-  <<: *macosx_build_job
+  extends: .build_macosx_template
   variables:
     PYTHON_VERSION: "3.7"
 
 
 # Deploy targets
-.deploy_template: &deploy_job
+.deploy_template:
   stage: deploy
   script:
     - python3 ./bob/devtools/bootstrap.py -vv local base
@@ -109,7 +104,7 @@ build_macosx_37:
     - build_macosx_37
   tags:
     - docker
-  cache: &build_caches
+  cache:
     paths:
       - miniconda.sh
       - ${CONDA_ROOT}/pkgs/*.tar.bz2
@@ -117,14 +112,14 @@ build_macosx_37:
 
 
 deploy_beta:
-  <<: *deploy_job
+  extends: .deploy_template
   environment: beta
   only:
     - master
 
 
 deploy_stable:
-  <<: *deploy_job
+  extends: .deploy_template
   environment: stable
   only:
     - /^v\d+\.\d+\.\d+([abc]\d*)?$/  # PEP-440 compliant version (tags)
@@ -152,7 +147,7 @@ pypi:
     - build_macosx_37
   tags:
     - docker
-  cache: &build_caches
+  cache:
     paths:
       - miniconda.sh
       - ${CONDA_ROOT}/pkgs/*.tar.bz2