diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 0e435b1..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,32 +0,0 @@
-language: cpp
-
-# Build matrix.
-matrix:
-  include:
-    - os: linux
-      dist: xenial
-      sudo: required
-      compiler: gcc
-    - os: osx
-      compiler: clang
-
-# Use Ubuntu 14.04 as the build environment.
-sudo: required
-dist: trusty
-
-# Build dependencies.
-addons:
-  apt:
-    packages:
-      - cmake
-      - libgmp-dev
-      - nettle-dev
-      - libudev-dev
-      - qtbase5-dev
-      - qttools5-dev-tools
-
-# Run the build script.
-script: ./travis.sh
-
-notifications:
-  irc: "ircs://irc.badnik.zone:6697/#GensGS"
diff --git a/appveyor-dpkg.sh b/appveyor-dpkg.sh
new file mode 100755
index 0000000..6afe2bc
--- /dev/null
+++ b/appveyor-dpkg.sh
@@ -0,0 +1,16 @@
+!/bin/sh
+set -ev
+
+add-apt-repository --remove "deb http://apt.postgresql.org/pub/repos/apt/ bionic-pgdg main"
+
+apt-get update
+apt-get -y install \
+	cmake \
+	pkg-config \
+	libgmp-dev \
+	nettle-dev \
+	libudev-dev \
+	\
+	qtbase5-dev \
+	qttools5-dev \
+	qttools5-dev-tools
diff --git a/appveyor.sh b/appveyor.sh
new file mode 100755
index 0000000..fb647ab
--- /dev/null
+++ b/appveyor.sh
@@ -0,0 +1,12 @@
+#!/bin/sh
+set -ev
+cmake --version
+
+mkdir build || true
+cd build
+
+cmake .. -G Ninja \
+	-DCMAKE_INSTALL_PREFIX=/usr \
+	-DCMAKE_BUILD_TYPE=Release \
+	-DENABLE_NLS=OFF \
+	-DBUILD_TESTING=ON
diff --git a/appveyor.yml b/appveyor.yml
index de595df..46b35ff 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -2,7 +2,17 @@
 version: '1.1.1.{build}'
 
 # Build worker image (VM template)
-image: Visual Studio 2013
+image:
+  - Visual Studio 2013
+  - Ubuntu
+configuration:
+  - Debug
+  - Release
+platform:
+  - x86
+  - x64
+
+# TODO: Re-add MinGW-w64 compiler for Windows builds.
 
 # scripts that are called at very beginning, before repo cloning
 init:
@@ -27,45 +37,26 @@ branches:
   except:
     - l10n_master
 
-environment:
-  matrix:
-    - platform: x86
-      configuration: Debug
-      compiler: msvc2013
-
-    - platform: x86
-      configuration: Release
-      compiler: msvc2013
-
-    - platform: x64
-      configuration: Debug
-      compiler: msvc2013
-
-    - platform: x64
-      configuration: Release
-      compiler: msvc2013
-
-#    - platform: x86
-#      configuration: Debug
-#      compiler: mingw-w64
-
-#    - platform: x64
-#      configuration: Debug
-#      compiler: mingw-w64
-
 # Run CMake.
 before_build:
-  - cd %APPVEYOR_BUILD_FOLDER%
-  - appveyor.cmd
+  - cmd: cd %APPVEYOR_BUILD_FOLDER%
+  - cmd: appveyor.cmd
+  - sh: cd ${APPVEYOR_BUILD_FOLDER}
+  - sh: sudo ./appveyor-dpkg.sh
+  - sh: ./appveyor.sh
 
 build_script:
-  - cd %APPVEYOR_BUILD_FOLDER%\build
-  - cmake --build . --config %configuration%
+  - cmd: cd %APPVEYOR_BUILD_FOLDER%\build
+  - cmd: cmake --build . --config %configuration%
+  - sh: cd ${APPVEYOR_BUILD_FOLDER}/build
+  - sh: cmake --build . --config ${CONFIGURATION}
 
 test_script:
-  - cd %APPVEYOR_BUILD_FOLDER%\build
-  - ctest -V -C %configuration%
+  - cmd: cd %APPVEYOR_BUILD_FOLDER%\build
+  - cmd: ctest -V -C %configuration%
+  - sh: cd ${APPVEYOR_BUILD_FOLDER}/build
+  - sh: ctest -V -C ${CONFIGURATION}
 
 after_test:
-  - cd %APPVEYOR_BUILD_FOLDER%\build
-  - ..\appveyor-artifacts.cmd
+  - cmd: cd %APPVEYOR_BUILD_FOLDER%\build
+  - cmd: ..\appveyor-artifacts.cmd
diff --git a/travis.sh b/travis.sh
deleted file mode 100755
index ca78d51..0000000
--- a/travis.sh
+++ /dev/null
@@ -1,18 +0,0 @@
-#!/bin/sh
-RET=0
-mkdir "${TRAVIS_BUILD_DIR}/build"
-cd "${TRAVIS_BUILD_DIR}/build"
-cmake --version
-cmake .. \
-	-DCMAKE_INSTALL_PREFIX=/usr \
-	-DCMAKE_BUILD_TYPE=Release \
-	-DENABLE_NLS=OFF \
-	-DBUILD_TESTING=ON \
-	|| exit 1
-# Build everything.
-make -k || RET=1
-# Test with en_US.UTF8.
-LC_ALL="en_US.UTF8" ctest -V || RET=1
-# Test with fr_FR.UTF8 to find i18n issues.
-LC_ALL="fr_FR.UTF8" ctest -V || RET=1
-exit "${RET}"