diff --git a/Jenkinsfile b/Jenkinsfile
index 5b988b0c..1a96f880 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -6,8 +6,8 @@ pipeline {
 				docker { image 'php:7.1-alpine' }
 			}
 			steps {
-				sh 'chmod +x build/docker_install.sh'
-				sh 'build/docker_install.sh'
+				sh 'chmod +x ./build/docker_install.sh'
+				sh 'sh build/docker_install.sh'
 				sh 'apk add --no-cache php7-phpdbg'
 				sh 'curl -sS https://getcomposer.org/installer | php'
 				sh 'php composer.phar install --ignore-platform-reqs'
@@ -19,8 +19,8 @@ pipeline {
 				docker { image 'php:7.2-alpine' }
 			}
 			steps {
-				sh 'chmod +x build/docker_install.sh'
-				sh 'build/docker_install.sh'
+				sh 'chmod +x ./build/docker_install.sh'
+				sh 'sh build/docker_install.sh'
 				sh 'apk add --no-cache php7-phpdbg'
 				sh 'curl -sS https://getcomposer.org/installer | php'
 				sh 'php composer.phar install --ignore-platform-reqs'
diff --git a/build/docker_install.sh b/build/docker_install.sh
index 7ddee016..73163966 100644
--- a/build/docker_install.sh
+++ b/build/docker_install.sh
@@ -6,7 +6,7 @@
 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 add --no-cache \
+# 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 --update add --no-cache \
 	curl \
 	git