diff --git a/.drone.yml b/.drone.yml
index b3df80d..7635300 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -156,7 +156,8 @@ steps:
   - alias apt-get='rm -f /var/cache/apt/archives/lock && apt-get'
   - apt-get update -q
   - apt-get install -qq build-essential cmake clang locales lsb-release
-  - apt-get install -qq libboost-program-options-dev libboost-locale-dev libboost-regex-dev libboost-log-dev gettext libarchive-dev libfmt-dev asciidoc libpugixml-dev nlohmann-json3-dev
+  - apt-get install -qq libboost-program-options-dev libboost-locale-dev libboost-regex-dev libboost-log-dev gettext libarchive-dev libfmt-dev libpugixml-dev nlohmann-json3-dev
+  - apt-get install -qq --no-install-recommends asciidoc xsltproc
   - rm -rf build_deb && mkdir -p build_deb && cd build_deb
   - cmake -G "Unix Makefiles" -DCMAKE_INSTALL_PREFIX=/usr ..
   - make VERBOSE=1
@@ -181,7 +182,8 @@ steps:
   - alias apt-get='rm -f /var/cache/apt/archives/lock && apt-get'
   - apt-get update -q
   - apt-get install -qq build-essential cmake clang locales lsb-release
-  - apt-get install -qq libboost-program-options-dev libboost-locale-dev libboost-regex-dev libboost-log-dev gettext libarchive-dev libfmt-dev asciidoc libpugixml-dev  nlohmann-json-dev
+  - apt-get install -qq libboost-program-options-dev libboost-locale-dev libboost-regex-dev libboost-log-dev gettext libarchive-dev libfmt-dev libpugixml-dev nlohmann-json-dev
+  - apt-get install -qq --no-install-recommends asciidoc xsltproc
   - rm -rf build_deb && mkdir -p build_deb && cd build_deb
   - cmake -G "Unix Makefiles" -DCMAKE_INSTALL_PREFIX=/usr ..
   - make VERBOSE=1
@@ -207,7 +209,8 @@ steps:
   - alias apt-get='rm -f /var/cache/apt/archives/lock && apt-get'
   - apt-get update -q
   - apt-get install -qq build-essential cmake clang locales lsb-release
-  - apt-get install -qq libboost-program-options-dev libboost-locale-dev libboost-regex-dev libboost-log-dev gettext libarchive-dev libfmt-dev asciidoc libpugixml-dev  nlohmann-json3-dev
+  - apt-get install -qq libboost-program-options-dev libboost-locale-dev libboost-regex-dev libboost-log-dev gettext libarchive-dev libfmt-dev libpugixml-dev nlohmann-json3-dev
+  - apt-get install -qq --no-install-recommends asciidoc xsltproc
   - rm -rf build_deb && mkdir -p build_deb && cd build_deb
   - cmake -G "Unix Makefiles" -DCMAKE_INSTALL_PREFIX=/usr ..
   - make VERBOSE=1
@@ -244,7 +247,8 @@ steps:
   - alias apt-get='rm -f /var/cache/apt/archives/lock && apt-get'
   - apt-get update -q
   - apt-get install -qq g++-8 build-essential clang locales lsb-release
-  - apt-get install -qq libboost-program-options-dev libboost-locale-dev libboost-regex-dev libboost-log-dev gettext libarchive-dev libfmt-dev asciidoc libpugixml-dev nlohmann-json-dev
+  - apt-get install -qq libboost-program-options-dev libboost-locale-dev libboost-regex-dev libboost-log-dev gettext libarchive-dev libfmt-dev libpugixml-dev nlohmann-json-dev
+  - apt-get install -qq --no-install-recommends asciidoc xsltproc
   - sh cmake_installer.sh --skip-license --exclude-subdir --prefix=/usr/local
   - cp /usr/lib/x86_64-linux-gnu/libpugixml* /lib/x86_64-linux-gnu/
   - rm -rf build_deb && mkdir -p build_deb && cd build_deb