diff --git a/.drone.yml b/.drone.yml
index c942cd6..a35384d 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -27,7 +27,7 @@ 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
-  - apt-get install -qq catch libboost-program-options-dev libboost-locale-dev libboost-regex-dev gettext libarchive-dev libfmt-dev asciidoc libpugixml-dev
+  - apt-get install -qq catch libboost-program-options-dev libboost-locale-dev libboost-regex-dev libboost-log-dev gettext libarchive-dev libfmt-dev asciidoc libpugixml-dev
   - rm -rf build && mkdir -p build && cd build
   - cmake -G "Unix Makefiles" -DWITH_TESTS=YES ..
   - make VERBOSE=1
@@ -65,7 +65,7 @@ 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
-  - apt-get install -qq catch libboost-program-options-dev libboost-locale-dev libboost-regex-dev gettext libarchive-dev libfmt-dev asciidoc libpugixml-dev
+  - apt-get install -qq catch libboost-program-options-dev libboost-locale-dev libboost-regex-dev libboost-log-dev gettext libarchive-dev libfmt-dev asciidoc libpugixml-dev
   - 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 && mkdir -p build && cd build
@@ -124,7 +124,7 @@ 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 gettext libarchive-dev libfmt-dev asciidoc libpugixml-dev
+  - 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
   - rm -rf build && mkdir -p build && cd build
   - cmake -G "Unix Makefiles" -DCMAKE_INSTALL_PREFIX=/usr ..
   - make VERBOSE=1
@@ -148,7 +148,7 @@ 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 gettext libarchive-dev libfmt-dev asciidoc libpugixml-dev
+  - 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
   - rm -rf build && mkdir -p build && cd build
   - cmake -G "Unix Makefiles" -DCMAKE_INSTALL_PREFIX=/usr ..
   - make VERBOSE=1
@@ -181,7 +181,7 @@ 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 gettext libarchive-dev libfmt-dev asciidoc libpugixml-dev
+  - 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
   - 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 && mkdir -p build && cd build
diff --git a/README.adoc b/README.adoc
index 13c6937..5e4ab43 100644
--- a/README.adoc
+++ b/README.adoc
@@ -98,8 +98,8 @@ of CMake.
 [source,shell]
 --------------------------------------------------------------------------------
 sudo apt install build-essential cmake libboost-program-options-dev \
-                 libboost-locale-dev libboost-regex-dev gettext libarchive-dev \
-                 libfmt-dev asciidoc libpugixml-dev
+                 libboost-locale-dev libboost-regex-dev libboost-log-dev \
+                 gettext libarchive-dev libfmt-dev asciidoc libpugixml-dev
 --------------------------------------------------------------------------------
 
 ==== Get sourcecode