diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index fab84b9..2e8ee53 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -9,6 +9,7 @@ test:7:
       - phpdbg -qrr -- vendor/bin/phpunit --coverage-text --colors=never
 
 test:7.1:
+    stage: test
     before_script:
       - sh build/docker_install.sh > /dev/null
       - apk add --no-cache php7-phpdbg
@@ -16,4 +17,15 @@ test:7.1:
       - php composer.phar install --ignore-platform-reqs
     image: php:7.1-alpine
     script:
-      - phpdbg -qrr -- vendor/bin/phpunit --coverage-text --colors=never
+      - phpdbg -qrr -- ./vendor/bin/phpunit --coverage-text --colors=never
+
+test:7.2:
+    stage: test
+    before_script:
+      - sh build/docker_install.sh > /dev/null
+      - apk add --no-cache php7-phpdbg
+      - curl -sS https://getcomposer.org/installer | php
+      - php composer.phar install --ignore-platform-reqs
+    image: php:7.2-alpine
+    script:
+      - phpdbg -qrr -- ./vendor/bin/phpunit --coverage-text --colors=never
\ No newline at end of file
diff --git a/.travis.yml b/.travis.yml
index 1d3cc02..fd420a9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,8 @@ install:
 
 php:
   - 7
+  - 7.1
+  - 7.2
   - hhvm
   - nightly
 
diff --git a/build/docker_install.sh b/build/docker_install.sh
index 7a5ca25..7ddee01 100644
--- a/build/docker_install.sh
+++ b/build/docker_install.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 # We need to install dependencies only for Docker
 [[ ! -e /.dockerenv ]] && [[ ! -e /.dockerinit ]] && exit 0
@@ -7,6 +7,6 @@ set -xe
 
 # Install git (the php image doesn't have it) which is required by composer
 echo -e 'http://dl-cdn.alpinelinux.org/alpine/edge/main\nhttp://dl-cdn.alpinelinux.org/alpine/edge/community\nhttp://dl-cdn.alpinelinux.org/alpine/edge/testing' > /etc/apk/repositories
-apk upgrade --update && apk add --no-cache \
+apk add --no-cache \
 	curl \
 	git