diff --git a/.drone.yml b/.drone.yml
index 920b304..fe3ccc0 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -13,14 +13,14 @@ trigger:
     - tag
 
 steps:
-- name: download
+- name: download mastodon-cpp
   image: plugins/download
   settings:
-    source: https://schlomp.space/tastytea/mastodon-cpp/releases/download/0.111.3/libmastodon-cpp_0.111.3-0_amd64.deb
+    source: https://schlomp.space/tastytea/mastodon-cpp/releases/download/0.111.4/libmastodon-cpp_0.111.4-0_buster_amd64.deb
     destination: mastodon-cpp.deb
 
 - name: gcc8
-  image: debian:stretch-slim
+  image: debian:buster-slim
   pull: always
   environment:
     CXX: g++-8
@@ -28,20 +28,14 @@ steps:
     LANG: C.utf8
   commands:
   - rm /etc/apt/apt.conf.d/docker-clean
+  - alias apt-get='rm -f /var/cache/apt/archives/lock && apt-get'
   - apt-get update -q
-  - echo "APT::Default-Release \"stretch\";" >> /etc/apt/apt.conf.d/00default_release
-  - echo "deb http://deb.debian.org/debian sid main" >> /etc/apt/sources.list.d/sid.list
-  - echo "deb http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu xenial main" >> /etc/apt/sources.list.d/ubuntu-toolchain-r.list
-  - apt-get install -qy gnupg
-  - gpg --keyserver hkp://keyserver.ubuntu.com --recv-keys 0x60c317803a41ba51845e371a1e9377a2ba9ef27f
-  - gpg --armor --export 0x60c317803a41ba51845e371a1e9377a2ba9ef27f | apt-key add -
+  - echo "deb https://packagecloud.io/mrtazz/restclient-cpp/debian/ buster main" > /etc/apt/sources.list.d/restclient-cpp.list
+  - apt-get install -qy debian-archive-keyring curl gnupg apt-transport-https
+  - curl -L https://packagecloud.io/mrtazz/restclient-cpp/gpgkey | apt-key add -
   - apt-get update -q
-  - apt-get install -qy build-essential cmake pkg-config
-  - apt-get install -qy -t xenial g++-8
-  - update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-8 100
-  - update-alternatives --set g++ /usr/bin/g++-8
-  - apt-get install -qy libcurl4-openssl-dev libjsoncpp-dev libboost-all-dev
-  - apt-get install -qy -t sid libcurlpp-dev
+  - apt-get install -qy build-essential cmake asciidoc
+  - apt-get install -qy libboost-filesystem-dev libboost-log-dev libjsoncpp-dev catch restclient-cpp
   - apt-get -qy install ./mastodon-cpp.deb
   - rm -rf build && mkdir -p build && cd build
   - cmake ..
@@ -51,38 +45,6 @@ steps:
   - name: debian-package-cache
     path: /var/cache/apt/archives
 
-- name: gcc5
-  image: debian:stretch-slim
-  pull: always
-  environment:
-    CXX: g++-8
-    CXXFLAGS: -pipe -O2
-    LANG: C.utf8
-  commands:
-  - rm /etc/apt/apt.conf.d/docker-clean
-  - apt-get update -q
-  - echo "APT::Default-Release \"stretch\";" >> /etc/apt/apt.conf.d/00default_release
-  - echo "deb http://deb.debian.org/debian sid main" >> /etc/apt/sources.list.d/sid.list
-  - echo "deb http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu xenial main" >> /etc/apt/sources.list.d/ubuntu-toolchain-r.list
-  - apt-get install -qy gnupg
-  - gpg --keyserver hkp://keyserver.ubuntu.com --recv-keys 0x60c317803a41ba51845e371a1e9377a2ba9ef27f
-  - gpg --armor --export 0x60c317803a41ba51845e371a1e9377a2ba9ef27f | apt-key add -
-  - apt-get update -q
-  - apt-get install -qy build-essential cmake pkg-config
-  - apt-get install -qy -t xenial g++-5
-  - update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-5 100
-  - update-alternatives --set g++ /usr/bin/g++-5
-  - apt-get install -qy libcurl4-openssl-dev libjsoncpp-dev libboost-all-dev
-  - apt-get install -qy -t sid libcurlpp-dev
-  - apt-get install -qy ./mastodon-cpp.deb
-  - rm -rf build && mkdir -p build && cd build
-  - cmake ..
-  - make VERBOSE=1
-  - make install DESTDIR=install
-  volumes:
-  - name: debian-package-cache
-    path: /var/cache/apt/archives
-
 - name: notify
   image: drillster/drone-email
   pull: always
diff --git a/README.adoc b/README.adoc
index 3f74e94..bf33676 100644
--- a/README.adoc
+++ b/README.adoc
@@ -20,7 +20,7 @@ support Atom at the moment.
 === Dependencies
 
 * Tested OS: Linux
-* C++ compiler (tested: link:{uri-gcc}[gcc] 9)
+* C++ compiler (tested: link:{uri-gcc}[gcc] 8/9)
 * link:{uri-cmake}[cmake] (at least: 3.9)
 * link:{uri-boost}[boost] (at least: 1.62)
 * link:{uri-mastodon-cpp}[mastodon-cpp] (at least: 0.111.3)