diff --git a/.gitignore b/.gitignore
index fbf62f942bb8168f7ee8cdab283e91df0611a71e..f4277a7d74bb2cd17fe7744e1b84c0842b9d05e1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@ Gemfile.lock
 pkg
 junk
 test/provider/hiera
+test/provider/nodes/
 test/provider/files/nodes/
 test/provider/files/ca/
 test/provider/files/ssh/
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 0e455a866373b1398df067db7948fb08fb6a452d..3b5bee84e7c00c031c582aa1b7871925bafbb2cf 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,7 +1,6 @@
-image: ruby:2.1
+image: leapcode/ruby:2.1-slim
 
 stages:
-  - syntax
   - build
   - trigger
 
@@ -9,6 +8,11 @@ build:
   stage: build
   script:
     - rake build
+    #- sudo rake install
+    #- ./bin/leap
+    - gem install --user-install pkg/leap_cli-*.gem
+    - export PATH="$PATH:$(ruby -e 'puts Gem.user_dir')/bin"
+    - leap
   artifacts:
     paths:
       - pkg/leap_cli-*.gem
diff --git a/README.md b/README.md
index 24f687bb09bca2f9bb56139d110c7b554a2b52ee..b543a886b47c264ecbf0bcbe0d53bacc4f628ed1 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ Installation
 
 Install prerequisites:
 
-    sudo apt-get install git ruby ruby-dev rsync openssh-client openssl rake
+    sudo apt-get install git ruby ruby-dev rsync openssh-client openssl rake gcc make zlib1g-dev
 
 NOTE: leap_cli requires ruby 1.9 or later.