diff --git a/Dockerfile b/Dockerfile
index c697dd4..9f50823 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,12 +12,16 @@ RUN \
  apt-get update && \
  apt-get install -y \
 	git \
+	libldap2-dev \
+	libsasl2-dev \
 	python3-pip && \
  echo "**** install runtime packages ****" && \
  apt-get install -y \
 	imagemagick \
 	libnss3 \
 	libxcomposite1 \
+	libldap-2.4-2 \
+	libsasl2-2 \
 	python3-minimal \
 	unrar && \
  echo "**** install calibre-web ****" && \
@@ -41,6 +45,8 @@ RUN \
  echo "**** cleanup ****" && \
  apt-get -y purge \
 	git \
+	libldap2-dev \
+	libsasl2-dev \
 	python3-pip && \
  apt-get -y autoremove && \
  rm -rf \
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index d3b6f9d..ccd339b 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -16,6 +16,8 @@ RUN \
 	git \
 	libffi-dev \
 	libjpeg-dev \
+	libldap2-dev \
+	libsasl2-dev \
 	libxml2-dev \
 	libxslt1-dev \
 	python3-pip \
@@ -23,7 +25,9 @@ RUN \
  echo "**** install runtime packages ****" && \
  apt-get install -y \
 	imagemagick \
+	libldap-2.4-2 \
 	libnss3 \
+	libsasl2-2 \
 	libxcomposite1 \
 	python3-minimal \
 	unrar && \
@@ -52,6 +56,8 @@ RUN \
 	git \
 	libffi-dev \
 	libjpeg-dev \
+	libldap2-dev \
+	libsasl2-dev \
 	libxml2-dev \
 	libxslt1-dev \
 	python3-pip \
diff --git a/Dockerfile.armhf b/Dockerfile.armhf
index 4abeeb9..4c9e98c 100644
--- a/Dockerfile.armhf
+++ b/Dockerfile.armhf
@@ -16,6 +16,8 @@ RUN \
 	git \
 	libffi-dev \
 	libjpeg-dev \
+	libldap2-dev \
+	libsasl2-dev \
 	libxml2-dev \
 	libxslt1-dev \
 	python3-pip \
@@ -23,7 +25,9 @@ RUN \
  echo "**** install runtime packages ****" && \
  apt-get install -y \
 	imagemagick \
+	libldap-2.4-2 \
 	libnss3 \
+	libsasl2-2 \
 	libxcomposite1 \
 	python3-minimal \
 	unrar && \
@@ -52,6 +56,8 @@ RUN \
 	git \
 	libffi-dev \
 	libjpeg-dev \
+	libldap2-dev \
+	libsasl2-dev \
 	libxml2-dev \
 	libxslt1-dev \
 	python3-pip \
diff --git a/README.md b/README.md
index 5ca5e9e..6b6c684 100644
--- a/README.md
+++ b/README.md
@@ -238,7 +238,8 @@ Once registered you can define the dockerfile to use with `-f Dockerfile.aarch64
 
 ## Versions
 
-* **10.13.19:** - Migrate to Python3.
+* **19.01.20:** - Adding LDAP libs.
+* **13.10.19:** - Migrate to Python3.
 * **01.08.19:** - Add libxcomposite1.
 * **13.06.19:** - Add docker mod to enable optional ebook conversion on x86-64.  Add unrar.
 * **02.06.19:** - Rebase to Ubuntu Bionic & add Gdrive support.
diff --git a/readme-vars.yml b/readme-vars.yml
index f03afe8..fc30799 100644
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -70,7 +70,8 @@ app_setup_block: |
 
 # changelog
 changelogs:
-  - { date: "10.13.19:", desc: "Migrate to Python3." }
+  - { date: "19.01.20:", desc: "Adding LDAP libs." }
+  - { date: "13.10.19:", desc: "Migrate to Python3." }
   - { date: "01.08.19:", desc: "Add libxcomposite1." }
   - { date: "13.06.19:", desc: "Add docker mod to enable optional ebook conversion on x86-64.  Add unrar." }
   - { date: "02.06.19:", desc: "Rebase to Ubuntu Bionic & add Gdrive support." }