diff --git a/.drone.yml b/.drone.yml
index 22b3997..f6d680f 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -1,4 +1,36 @@
 pipeline:
+  gcc7:
+    image: debian:stretch-slim
+    pull: true
+    environment:
+      - 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://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++-7
+      - update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-7 100
+      - update-alternatives --set g++ /usr/bin/g++-7
+      - apt-get install -qy libvsqlitepp-dev libboost-all-dev libxdg-basedir-dev qt5-default
+      - apt-get install -qy rpm file
+      - rm -rf build && mkdir -p build && cd build
+      - cmake ..
+      - make VERBOSE=1
+      - make install DESTDIR=install
+      - make package
+      - cmake -DWITH_DEB=ON ..
+      - make package
+      - cmake -DWITH_DEB=OFF -DWITH_RPM=ON ..
+      - make package
+    volumes:
+      - /var/cache/debian-package-cache:/var/cache/apt/archives
+
   gcc8:
     image: debian:stretch-slim
     pull: true
@@ -31,24 +63,16 @@ pipeline:
     volumes:
       - /var/cache/debian-package-cache:/var/cache/apt/archives
 
-  gcc7:
+  clang3:
     image: debian:stretch-slim
     pull: true
     environment:
       - LANG=C.utf8
+      - CXX=clang++
     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://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++-7
-      - update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-7 100
-      - update-alternatives --set g++ /usr/bin/g++-7
+      - apt-get install -qy build-essential clang cmake pkg-config
       - apt-get install -qy libvsqlitepp-dev libboost-all-dev libxdg-basedir-dev qt5-default
       - apt-get install -qy rpm file
       - rm -rf build && mkdir -p build && cd build
@@ -63,6 +87,60 @@ pipeline:
     volumes:
       - /var/cache/debian-package-cache:/var/cache/apt/archives
 
+  clang5:
+    image: debian:stretch-slim
+    pull: true
+    environment:
+      - LANG=C.utf8
+      - CXX=clang++-5.0
+    commands:
+      - rm /etc/apt/apt.conf.d/docker-clean
+      - echo "APT::Default-Release \"stretch\";" >> /etc/apt/apt.conf.d/00default_release
+      - echo "deb http://deb.debian.org/debian stretch-backports main" >> /etc/apt/sources.list.d/sid.list
+      - apt-get update -q
+      - apt-get install -qy build-essential cmake pkg-config
+      - apt-get install -qy libvsqlitepp-dev libboost-all-dev libxdg-basedir-dev qt5-default
+      - apt-get install -qy rpm file
+      - apt-get install -qy -t stretch-backports clang-5.0
+      - rm -rf build && mkdir -p build && cd build
+      - cmake ..
+      - make VERBOSE=1
+      - make install DESTDIR=install
+      - make package
+      - cmake -DWITH_DEB=ON ..
+      - make package
+      - cmake -DWITH_DEB=OFF -DWITH_RPM=ON ..
+      - make package
+    volumes:
+      - /var/cache/debian-package-cache:/var/cache/apt/archives
+
+  clang6:
+    image: debian:stretch-slim
+    pull: true
+    environment:
+      - LANG=C.utf8
+      - CXX=clang++-6.0
+    commands:
+      - rm /etc/apt/apt.conf.d/docker-clean
+      - echo "APT::Default-Release \"stretch\";" >> /etc/apt/apt.conf.d/00default_release
+      - echo "deb http://deb.debian.org/debian stretch-backports main" >> /etc/apt/sources.list.d/sid.list
+      - apt-get update -q
+      - apt-get install -qy build-essential cmake pkg-config
+      - apt-get install -qy libvsqlitepp-dev libboost-all-dev libxdg-basedir-dev qt5-default
+      - apt-get install -qy rpm file
+      - apt-get install -qy -t stretch-backports clang-6.0
+      - rm -rf build && mkdir -p build && cd build
+      - cmake ..
+      - make VERBOSE=1
+      - make install DESTDIR=install
+      - make package
+      - cmake -DWITH_DEB=ON ..
+      - make package
+      - cmake -DWITH_DEB=OFF -DWITH_RPM=ON ..
+      - make package
+    volumes:
+      - /var/cache/debian-package-cache:/var/cache/apt/archives
+
   gcc6:
     image: debian:stretch-slim
     pull: true
diff --git a/README.md b/README.md
index b0de4db..4a9c132 100644
--- a/README.md
+++ b/README.md
@@ -57,7 +57,7 @@ Gentoo ebuilds are available via my
 #### Dependencies
 
 * C++ compiler (tested: [gcc](https://gcc.gnu.org/) 6/7/8,
-  [clang](https://llvm.org/) 6)
+  [clang](https://llvm.org/) 3/5/6)
 * [cmake](https://cmake.org/) (at least 3.6)
 * [vsqlite++](http://vsqlite.virtuosic-bytes.com/) (tested: 0.3.13)
 * [libxdg-basedir](http://repo.or.cz/w/libxdg-basedir.git) (tested: 1.2)