diff --git a/build.sh b/build.sh
index 0e6e0cd..f8674db 100755
--- a/build.sh
+++ b/build.sh
@@ -32,10 +32,12 @@ if [[ $RUNNER_OS == 'Linux' ]]; then
     $SUDO apt-get install -y \
         $GCC \
         $GPP \
+	git \
         cmake \
         ninja-build \
         wayland-scanner++ \
         wayland-protocols \
+	meson \
         pkg-config$TARGET_APT_ARCH \
         libasound2-dev$TARGET_APT_ARCH \
         libdbus-1-dev$TARGET_APT_ARCH \
@@ -43,7 +45,9 @@ if [[ $RUNNER_OS == 'Linux' ]]; then
         libgl1-mesa-dev$TARGET_APT_ARCH \
         libgles2-mesa-dev$TARGET_APT_ARCH \
         libglu1-mesa-dev$TARGET_APT_ARCH \
+	libgtk-3-dev$TARGET_APT_ARCH \
         libibus-1.0-dev$TARGET_APT_ARCH \
+	libpango1.0-dev$TARGET_APT_ARCH \
         libpulse-dev$TARGET_APT_ARCH \
         libsndio-dev$TARGET_APT_ARCH \
         libudev-dev$TARGET_APT_ARCH \
@@ -62,8 +66,24 @@ if [[ $RUNNER_OS == 'Linux' ]]; then
         libdrm-dev$TARGET_APT_ARCH \
         libgbm-dev$TARGET_APT_ARCH \
         libpulse-dev$TARGET_APT_ARCH
+
+    if [[ $TARGET_APT_ARCH != :i386 ]]; then
+        # Build libdecor.
+        # This is required so that window decorations can work on wayland.
+	# The support will only be enabled in SDL, but we're not shipping the libdecor binaries
+	# because making them work from a c# app as everything else does (via runtimes) is too difficult.
+	# Also skip i386 because attempting to support this for i386 is a pain.
+        # Special shoutouts to gnome for refusing to support server-side decorations.
+        git clone https://gitlab.freedesktop.org/libdecor/libdecor.git
+        cd libdecor
+        git checkout 0.2.2
+        meson build --buildtype release
+        $SUDO meson install -C build
+        cd ..
+    fi
 fi
 
+
 cmake -B build $FLAGS -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DSDL_SHARED_ENABLED_BY_DEFAULT=ON -DSDL_STATIC_ENABLED_BY_DEFAULT=ON
 
 # Build