diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index faf4c517..17c51306 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -11,7 +11,7 @@ stages:
 R 3:
     image: rocker/r-ver:3 # rocker/r-base
     stage: build
-    allow_failure: true
+    allow_failure: false
     script:
     - apt-get update
     # install dependencies for package
@@ -29,6 +29,7 @@ R 3:
 R 3.4:
     image: rocker/r-ver:3.4 # rocker/r-base
     stage: build
+    allow_failure: true
     script:
     - apt-get update
     # install dependencies for package
@@ -46,6 +47,7 @@ R 3.4:
 R 3.5:
     image: rocker/r-ver:3.5 # rocker/r-base
     stage: build
+    allow_failure: true
     script:
     - apt-get update
     # install dependencies for package
@@ -98,9 +100,11 @@ R devel:
     - R CMD check "${PKG_FILE_NAME}" --no-build-vignettes --no-manual --as-cran
 
 coverage_job:
+    image: rocker/r-ver:3
     stage: deploy
     script:
     # update code coverage
     - apt-get install --yes git
+    - R -e "install.packages('covr')"
     - R -e "covr::codecov(token = '50ffa0aa-fee0-4f8b-a11d-8c7edc6d32ca')"
     when: on_success