diff --git a/.travis.yml b/.travis.yml
index 04e7a629..4f7d0d3d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -99,30 +99,30 @@ script:
       echo "${DOCKER_PASSWORD}" | docker login --username "${DOCKER_USERNAME}" --password-stdin &&
       if [ "${TRAVIS_BRANCH}" == "master" ]; then
         echo "Pushing latest";
-        docker push "${IMAGE}:${PHP}-base";
-        docker push "${IMAGE}:${PHP}-mods";
-        docker push "${IMAGE}:${PHP}-prod";
-        docker push "${IMAGE}:${PHP}-work";
+        until docker push "${IMAGE}:${PHP}-base"; do sleep 1; done;
+        until docker push "${IMAGE}:${PHP}-mods"; do sleep 1; done;
+        until docker push "${IMAGE}:${PHP}-prod"; do sleep 1; done;
+        until docker push "${IMAGE}:${PHP}-work"; do sleep 1; done;
       elif [[ ${TRAVIS_BRANCH} =~ ^(release-[.0-9]+)$ ]]; then
         echo "Pushing branch ${TRAVIS_BRANCH}";
         docker tag "${IMAGE}:${PHP}-base" "${IMAGE}:${PHP}-base-${TRAVIS_BRANCH}" &&
         docker tag "${IMAGE}:${PHP}-mods" "${IMAGE}:${PHP}-mods-${TRAVIS_BRANCH}" &&
         docker tag "${IMAGE}:${PHP}-prod" "${IMAGE}:${PHP}-prod-${TRAVIS_BRANCH}" &&
         docker tag "${IMAGE}:${PHP}-work" "${IMAGE}:${PHP}-work-${TRAVIS_BRANCH}" &&
-        docker push "${IMAGE}:${PHP}-base-${TRAVIS_BRANCH}";
-        docker push "${IMAGE}:${PHP}-mods-${TRAVIS_BRANCH}";
-        docker push "${IMAGE}:${PHP}-prod-${TRAVIS_BRANCH}";
-        docker push "${IMAGE}:${PHP}-work-${TRAVIS_BRANCH}";
+        until docker push "${IMAGE}:${PHP}-base-${TRAVIS_BRANCH}"; do sleep 1; done;
+        until docker push "${IMAGE}:${PHP}-mods-${TRAVIS_BRANCH}"; do sleep 1; done;
+        until docker push "${IMAGE}:${PHP}-prod-${TRAVIS_BRANCH}"; do sleep 1; done;
+        until docker push "${IMAGE}:${PHP}-work-${TRAVIS_BRANCH}"; do sleep 1; done;
       elif [ -n "${TRAVIS_TAG}" ]; then
         echo "Pushing tag ${TRAVIS_TAG}";
         docker tag "${IMAGE}:${PHP}-base" "${IMAGE}:${PHP}-base-${TRAVIS_TAG}" &&
         docker tag "${IMAGE}:${PHP}-mods" "${IMAGE}:${PHP}-mods-${TRAVIS_TAG}" &&
         docker tag "${IMAGE}:${PHP}-prod" "${IMAGE}:${PHP}-prod-${TRAVIS_TAG}" &&
         docker tag "${IMAGE}:${PHP}-work" "${IMAGE}:${PHP}-work-${TRAVIS_TAG}" &&
-        docker push "${IMAGE}:${PHP}-base-${TRAVIS_TAG}";
-        docker push "${IMAGE}:${PHP}-mods-${TRAVIS_TAG}";
-        docker push "${IMAGE}:${PHP}-prod-${TRAVIS_TAG}";
-        docker push "${IMAGE}:${PHP}-work-${TRAVIS_TAG}";
+        until docker push "${IMAGE}:${PHP}-base-${TRAVIS_TAG}"; do sleep 1; done;
+        until docker push "${IMAGE}:${PHP}-mods-${TRAVIS_TAG}"; do sleep 1; done;
+        until docker push "${IMAGE}:${PHP}-prod-${TRAVIS_TAG}"; do sleep 1; done;
+        until docker push "${IMAGE}:${PHP}-work-${TRAVIS_TAG}"; do sleep 1; done;
       elif [ "${TRAVIS_EVENT_TYPE}" = "cron" ]; then
         if MY_TAG="$( git describe --exact-match "$(git rev-parse HEAD)" 2>/dev/null )"; then
           echo "Pushing cron tag ${MY_TAG}";
@@ -130,10 +130,10 @@ script:
           docker tag "${IMAGE}:${PHP}-mods" "${IMAGE}:${PHP}-mods-${MY_TAG}" &&
           docker tag "${IMAGE}:${PHP}-prod" "${IMAGE}:${PHP}-prod-${MY_TAG}" &&
           docker tag "${IMAGE}:${PHP}-work" "${IMAGE}:${PHP}-work-${MY_TAG}" &&
-          docker push "${IMAGE}:${PHP}-base-${MY_TAG}";
-          docker push "${IMAGE}:${PHP}-mods-${MY_TAG}";
-          docker push "${IMAGE}:${PHP}-prod-${MY_TAG}";
-          docker push "${IMAGE}:${PHP}-work-${MY_TAG}";
+          until docker push "${IMAGE}:${PHP}-base-${MY_TAG}"; do sleep 1; done;
+          until docker push "${IMAGE}:${PHP}-mods-${MY_TAG}"; do sleep 1; done;
+          until docker push "${IMAGE}:${PHP}-prod-${MY_TAG}"; do sleep 1; done;
+          until docker push "${IMAGE}:${PHP}-work-${MY_TAG}"; do sleep 1; done;
         fi
       else
         echo "Skipping push to dockerhub on normal branches";
diff --git a/Dockerfiles/work/Dockerfile-5.4 b/Dockerfiles/work/Dockerfile-5.4
index 49d817da..de58b31b 100644
--- a/Dockerfiles/work/Dockerfile-5.4
+++ b/Dockerfiles/work/Dockerfile-5.4
@@ -154,7 +154,7 @@ RUN set -x \
 && ln -s /usr/local/src/composer/vendor/codeception/codeception/codecept /usr/local/bin/codecept \
  \
 # deployer
-	&& curl https://deployer.org/deployer.phar -L -o /usr/local/bin/dep \
+	&& curl -sS https://deployer.org/releases/v3.3.0/deployer.phar -L -o /usr/local/bin/dep \
 	&& chmod +x /usr/local/bin/dep \
 # drush7
 	&& git clone https://github.com/drush-ops/drush.git /usr/local/src/drush7 \
@@ -376,7 +376,7 @@ RUN set -x \
 && gulp --version | grep -E '[.0-9]+' \
  \
 	&& codecept --version 2>/dev/null | grep -E '^Codeception(\sversion)?\s[.0-9]+$' \
-	&& dep --version 2>/dev/null | grep -E 'Deployer\s*[.0-9]+' \
+	&& dep --version 2>/dev/null | grep -Ei 'deployer\s*(version\s*)?[.0-9]+' \
 	&& drush7 --version | grep -E '7[.0-9]+\s*$' \
 	&& drush8 --version | grep -E '8[.0-9]+\s*$' \
 	&& git-flow version | grep -E '[.0-9]+' \
diff --git a/Dockerfiles/work/Dockerfile-5.5 b/Dockerfiles/work/Dockerfile-5.5
index 2d939eb5..bcd483c8 100644
--- a/Dockerfiles/work/Dockerfile-5.5
+++ b/Dockerfiles/work/Dockerfile-5.5
@@ -158,7 +158,7 @@ RUN set -x \
 && ln -s /usr/local/src/composer/vendor/codeception/codeception/codecept /usr/local/bin/codecept \
  \
 # deployer
-	&& curl https://deployer.org/deployer.phar -L -o /usr/local/bin/dep \
+	&& curl -sS https://deployer.org/releases/v4.3.4/deployer.phar -L -o /usr/local/bin/dep \
 	&& chmod +x /usr/local/bin/dep \
 # drush7
 	&& git clone https://github.com/drush-ops/drush.git /usr/local/src/drush7 \
@@ -388,7 +388,7 @@ RUN set -x \
 && gulp --version | grep -E '[.0-9]+' \
  \
 	&& codecept --version 2>/dev/null | grep -E '^Codeception(\sversion)?\s[.0-9]+$' \
-	&& dep --version 2>/dev/null | grep -E 'Deployer\s*[.0-9]+' \
+	&& dep --version 2>/dev/null | grep -Ei 'deployer\s*(version\s*)?[.0-9]+' \
 	&& drush7 --version | grep -E '7[.0-9]+\s*$' \
 	&& drush8 --version | grep -E '8[.0-9]+\s*$' \
 	&& drupal --version | grep -E 'Drupal Console Launcher\s*[.0-9]' \
diff --git a/Dockerfiles/work/Dockerfile-5.6 b/Dockerfiles/work/Dockerfile-5.6
index 4055043d..79eaad33 100644
--- a/Dockerfiles/work/Dockerfile-5.6
+++ b/Dockerfiles/work/Dockerfile-5.6
@@ -158,7 +158,7 @@ RUN set -x \
 && ln -s /usr/local/src/composer/vendor/codeception/codeception/codecept /usr/local/bin/codecept \
  \
 # deployer
-	&& curl https://deployer.org/deployer.phar -L -o /usr/local/bin/dep \
+	&& curl -sS https://deployer.org/releases/v4.3.4/deployer.phar -L -o /usr/local/bin/dep \
 	&& chmod +x /usr/local/bin/dep \
 # drush7
 	&& git clone https://github.com/drush-ops/drush.git /usr/local/src/drush7 \
@@ -401,7 +401,7 @@ RUN set -x \
 && gulp --version | grep -E '[.0-9]+' \
  \
 	&& codecept --version 2>/dev/null | grep -E '^Codeception(\sversion)?\s[.0-9]+$' \
-	&& dep --version 2>/dev/null | grep -E 'Deployer\s*[.0-9]+' \
+	&& dep --version 2>/dev/null | grep -Ei 'deployer\s*(version\s*)?[.0-9]+' \
 	&& drush7 --version | grep -E '7[.0-9]+\s*$' \
 	&& drush8 --version | grep -E '8[.0-9]+\s*$' \
 	&& drush9 --version | grep -E '9[.0-9]+\s*$' \
diff --git a/Dockerfiles/work/Dockerfile-7.0 b/Dockerfiles/work/Dockerfile-7.0
index f377db1e..f6817602 100644
--- a/Dockerfiles/work/Dockerfile-7.0
+++ b/Dockerfiles/work/Dockerfile-7.0
@@ -158,7 +158,7 @@ RUN set -x \
 && ln -s /usr/local/src/composer/vendor/codeception/codeception/codecept /usr/local/bin/codecept \
  \
 # deployer
-	&& curl https://deployer.org/deployer.phar -L -o /usr/local/bin/dep \
+	&& curl -sS https://deployer.org/deployer.phar -L -o /usr/local/bin/dep \
 	&& chmod +x /usr/local/bin/dep \
 # drush7
 	&& git clone https://github.com/drush-ops/drush.git /usr/local/src/drush7 \
@@ -401,7 +401,7 @@ RUN set -x \
 && gulp --version | grep -E '[.0-9]+' \
  \
 	&& codecept --version 2>/dev/null | grep -E '^Codeception(\sversion)?\s[.0-9]+$' \
-	&& dep --version 2>/dev/null | grep -E 'Deployer\s*[.0-9]+' \
+	&& dep --version 2>/dev/null | grep -Ei 'deployer\s*(version\s*)?[.0-9]+' \
 	&& drush7 --version | grep -E '7[.0-9]+\s*$' \
 	&& drush8 --version | grep -E '8[.0-9]+\s*$' \
 	&& drush9 --version | grep -E '9[.0-9]+\s*$' \
diff --git a/Dockerfiles/work/Dockerfile-7.1 b/Dockerfiles/work/Dockerfile-7.1
index 81737bad..88462161 100644
--- a/Dockerfiles/work/Dockerfile-7.1
+++ b/Dockerfiles/work/Dockerfile-7.1
@@ -158,7 +158,7 @@ RUN set -x \
 && ln -s /usr/local/src/composer/vendor/codeception/codeception/codecept /usr/local/bin/codecept \
  \
 # deployer
-	&& curl https://deployer.org/deployer.phar -L -o /usr/local/bin/dep \
+	&& curl -sS https://deployer.org/deployer.phar -L -o /usr/local/bin/dep \
 	&& chmod +x /usr/local/bin/dep \
 # drush7
 	&& git clone https://github.com/drush-ops/drush.git /usr/local/src/drush7 \
@@ -401,7 +401,7 @@ RUN set -x \
 && gulp --version | grep -E '[.0-9]+' \
  \
 	&& codecept --version 2>/dev/null | grep -E '^Codeception(\sversion)?\s[.0-9]+$' \
-	&& dep --version 2>/dev/null | grep -E 'Deployer\s*[.0-9]+' \
+	&& dep --version 2>/dev/null | grep -Ei 'deployer\s*(version\s*)?[.0-9]+' \
 	&& drush7 --version | grep -E '7[.0-9]+\s*$' \
 	&& drush8 --version | grep -E '8[.0-9]+\s*$' \
 	&& drush9 --version | grep -E '9[.0-9]+\s*$' \
diff --git a/Dockerfiles/work/Dockerfile-7.2 b/Dockerfiles/work/Dockerfile-7.2
index 4563ff8d..6e542c1e 100644
--- a/Dockerfiles/work/Dockerfile-7.2
+++ b/Dockerfiles/work/Dockerfile-7.2
@@ -158,7 +158,7 @@ RUN set -x \
 && ln -s /usr/local/src/composer/vendor/codeception/codeception/codecept /usr/local/bin/codecept \
  \
 # deployer
-	&& curl https://deployer.org/deployer.phar -L -o /usr/local/bin/dep \
+	&& curl -sS https://deployer.org/deployer.phar -L -o /usr/local/bin/dep \
 	&& chmod +x /usr/local/bin/dep \
 # drush7
 	&& git clone https://github.com/drush-ops/drush.git /usr/local/src/drush7 \
@@ -401,7 +401,7 @@ RUN set -x \
 && gulp --version | grep -E '[.0-9]+' \
  \
 	&& codecept --version 2>/dev/null | grep -E '^Codeception(\sversion)?\s[.0-9]+$' \
-	&& dep --version 2>/dev/null | grep -E 'Deployer\s*[.0-9]+' \
+	&& dep --version 2>/dev/null | grep -Ei 'deployer\s*(version\s*)?[.0-9]+' \
 	&& drush7 --version | grep -E '7[.0-9]+\s*$' \
 	&& drush8 --version | grep -E '8[.0-9]+\s*$' \
 	&& drush9 --version | grep -E '9[.0-9]+\s*$' \
diff --git a/Dockerfiles/work/Dockerfile-7.3 b/Dockerfiles/work/Dockerfile-7.3
index 46ffd2dc..8708d503 100644
--- a/Dockerfiles/work/Dockerfile-7.3
+++ b/Dockerfiles/work/Dockerfile-7.3
@@ -158,7 +158,7 @@ RUN set -x \
 && ln -s /usr/local/src/composer/vendor/codeception/codeception/codecept /usr/local/bin/codecept \
  \
 # deployer
-	&& curl https://deployer.org/deployer.phar -L -o /usr/local/bin/dep \
+	&& curl -sS https://deployer.org/deployer.phar -L -o /usr/local/bin/dep \
 	&& chmod +x /usr/local/bin/dep \
 # drush7
 	&& git clone https://github.com/drush-ops/drush.git /usr/local/src/drush7 \
@@ -390,7 +390,7 @@ RUN set -x \
 && gulp --version | grep -E '[.0-9]+' \
  \
 	&& codecept --version 2>/dev/null | grep -E '^Codeception(\sversion)?\s[.0-9]+$' \
-	&& dep --version 2>/dev/null | grep -E 'Deployer\s*[.0-9]+' \
+	&& dep --version 2>/dev/null | grep -Ei 'deployer\s*(version\s*)?[.0-9]+' \
 	&& drush7 --version | grep -E '7[.0-9]+\s*$' \
 	&& drush8 --version | grep -E '8[.0-9]+\s*$' \
 	&& drush9 --version | grep -E '9[.0-9]+\s*$' \
diff --git a/Dockerfiles/work/Dockerfile-7.4 b/Dockerfiles/work/Dockerfile-7.4
index 4bf372ae..855f8556 100644
--- a/Dockerfiles/work/Dockerfile-7.4
+++ b/Dockerfiles/work/Dockerfile-7.4
@@ -158,7 +158,7 @@ RUN set -x \
 && ln -s /usr/local/src/composer/vendor/codeception/codeception/codecept /usr/local/bin/codecept \
  \
 # deployer
-	&& curl https://deployer.org/deployer.phar -L -o /usr/local/bin/dep \
+	&& curl -sS https://deployer.org/deployer.phar -L -o /usr/local/bin/dep \
 	&& chmod +x /usr/local/bin/dep \
 # drush7
 	&& git clone https://github.com/drush-ops/drush.git /usr/local/src/drush7 \
@@ -386,7 +386,7 @@ RUN set -x \
 && gulp --version | grep -E '[.0-9]+' \
  \
 	&& codecept --version 2>/dev/null | grep -E '^Codeception(\sversion)?\s[.0-9]+$' \
-	&& dep --version 2>/dev/null | grep -E 'Deployer\s*[.0-9]+' \
+	&& dep --version 2>/dev/null | grep -Ei 'deployer\s*(version\s*)?[.0-9]+' \
 	&& drush7 --version | grep -E '7[.0-9]+\s*$' \
 	&& drush8 --version | grep -E '8[.0-9]+\s*$' \
 	&& drush9 --version | grep -E '9[.0-9]+\s*$' \
diff --git a/build/ansible/group_vars/all.yml b/build/ansible/group_vars/all.yml
index 2aecb523..ac3dbe7f 100644
--- a/build/ansible/group_vars/all.yml
+++ b/build/ansible/group_vars/all.yml
@@ -354,9 +354,18 @@ software_available:
       command: curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
   deployer:
     disabled: [5.2, 5.3]
-    check: dep --version 2>/dev/null | grep -E 'Deployer\s*[.0-9]+'
+    check: dep --version 2>/dev/null | grep -Ei 'deployer\s*(version\s*)?[.0-9]+'
+    5.4:
+      command: curl -sS https://deployer.org/releases/v3.3.0/deployer.phar -L -o /usr/local/bin/dep
+      post: chmod +x /usr/local/bin/dep
+    5.5:
+      command: curl -sS https://deployer.org/releases/v4.3.4/deployer.phar -L -o /usr/local/bin/dep
+      post: chmod +x /usr/local/bin/dep
+    5.6:
+      command: curl -sS https://deployer.org/releases/v4.3.4/deployer.phar -L -o /usr/local/bin/dep
+      post: chmod +x /usr/local/bin/dep
     all:
-      command: curl https://deployer.org/deployer.phar -L -o /usr/local/bin/dep
+      command: curl -sS https://deployer.org/deployer.phar -L -o /usr/local/bin/dep
       post: chmod +x /usr/local/bin/dep
   drush7:
     disabled: [5.2]
diff --git a/tests/base/04-test-run_nginx.sh b/tests/base/04-test-run_nginx.sh
index fb9e4265..a0a7e434 100755
--- a/tests/base/04-test-run_nginx.sh
+++ b/tests/base/04-test-run_nginx.sh
@@ -38,7 +38,7 @@ chmod 0777 "${DOC_ROOT_HOST}"
 chmod 0644 "${DOC_ROOT_HOST}/index.php"
 
 # Pull Image
-run "while ! docker pull ${CONTAINER}; do sleep 1; done"
+run "until docker pull ${CONTAINER}; do sleep 1; done"
 
 # Start PHP-FPM
 did="$( docker_run "${IMAGE}:${VERSION}-${FLAVOUR}" "-e DEBUG_ENTRYPOINT=2 -e NEW_UID=$(id -u) -e NEW_GID=$(id -g) -v ${DOC_ROOT_HOST}:${DOC_ROOT_CONT}" )"
diff --git a/tests/prod/05-test-env-forward_ports_to_localhost.sh b/tests/prod/05-test-env-forward_ports_to_localhost.sh
index c68fe157..cfd27d62 100755
--- a/tests/prod/05-test-env-forward_ports_to_localhost.sh
+++ b/tests/prod/05-test-env-forward_ports_to_localhost.sh
@@ -25,7 +25,7 @@ FLAVOUR="${3}"
 CONTAINER="mysql:5.6"
 
 # Pull Container
-run "while ! docker pull ${CONTAINER}; do sleep 1; done"
+run "until docker pull ${CONTAINER}; do sleep 1; done"
 
 # Start mysql container
 mdid="$( docker_run "${CONTAINER}" "-e MYSQL_ALLOW_EMPTY_PASSWORD=yes" )"
diff --git a/tests/prod/06-test-mount-custom_ini.sh b/tests/prod/06-test-mount-custom_ini.sh
index 468c3995..89e021ea 100755
--- a/tests/prod/06-test-mount-custom_ini.sh
+++ b/tests/prod/06-test-mount-custom_ini.sh
@@ -44,7 +44,7 @@ chmod 0777 "${DOC_ROOT_HOST}"
 chmod 0644 "${DOC_ROOT_HOST}/index.php"
 
 # Pull container
-run "while ! docker pull ${CONTAINER}; do sleep 1; done"
+run "until docker pull ${CONTAINER}; do sleep 1; done"
 
 # Start PHP-FPM
 did="$( docker_run "${IMAGE}:${VERSION}-${FLAVOUR}" "-e DEBUG_ENTRYPOINT=2 -e NEW_UID=$(id -u) -e NEW_GID=$(id -g) -v ${DOC_ROOT_HOST}:${DOC_ROOT_CONT} -v ${PHP_INI_HOST}:${PHP_INI_CONT}" )"
diff --git a/tests/prod/07-test-mount-custom_fpm_conf.sh b/tests/prod/07-test-mount-custom_fpm_conf.sh
index b10cb2e3..9d0f4e41 100755
--- a/tests/prod/07-test-mount-custom_fpm_conf.sh
+++ b/tests/prod/07-test-mount-custom_fpm_conf.sh
@@ -49,7 +49,7 @@ chmod 0777 "${DOC_ROOT_HOST}"
 chmod 0644 "${DOC_ROOT_HOST}/index.php"
 
 # Pull container
-run "while ! docker pull ${CONTAINER}; do sleep 1; done"
+run "until docker pull ${CONTAINER}; do sleep 1; done"
 
 # Start PHP-FPM
 did="$( docker_run "${IMAGE}:${VERSION}-${FLAVOUR}" "-e DEBUG_ENTRYPOINT=2 -e NEW_UID=$(id -u) -e NEW_GID=$(id -g) -v ${DOC_ROOT_HOST}:${DOC_ROOT_CONT} -v ${PHP_CNF_HOST}:${PHP_CNF_CONT}" )"
diff --git a/tests/work/01-test-env-mysqldump-secure.sh b/tests/work/01-test-env-mysqldump-secure.sh
index 9333a1af..6ccd9897 100755
--- a/tests/work/01-test-env-mysqldump-secure.sh
+++ b/tests/work/01-test-env-mysqldump-secure.sh
@@ -27,7 +27,7 @@ MOUNTPOINT="$( mktemp --directory )"
 CONTAINER="mysql:5.6"
 
 # Pull Container
-run "while ! docker pull ${CONTAINER}; do sleep 1; done"
+run "until docker pull ${CONTAINER}; do sleep 1; done"
 
 # Start mysql container
 mdid="$( docker_run "${CONTAINER}" "-e MYSQL_ROOT_PASSWORD=${MYSQL_ROOT_PASSWORD}" )"