diff --git a/8.0/apache/Dockerfile b/8.0/apache/Dockerfile
index 30208b0..616a770 100644
--- a/8.0/apache/Dockerfile
+++ b/8.0/apache/Dockerfile
@@ -10,11 +10,14 @@ RUN apt-get update && apt-get install -y \
 	libpng12-dev \
 	libpq-dev \
 	libxml2-dev \
+	libldap2-dev \
 	&& rm -rf /var/lib/apt/lists/*
 
 # https://doc.owncloud.org/server/8.1/admin_manual/installation/source_installation.html#prerequisites
 RUN docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
-	&& docker-php-ext-install gd exif intl mbstring mcrypt mysql opcache pdo_mysql pdo_pgsql pgsql zip
+	&& docker-php-ext-configure ldap --with-libdir=lib/x86_64-linux-gnu/ \
+	&& docker-php-ext-install gd exif intl mbstring mcrypt mysql opcache pdo_mysql pdo_pgsql pgsql zip ldap
+
 
 # set recommended PHP.ini settings
 # see https://secure.php.net/manual/en/opcache.installation.php
diff --git a/8.0/fpm/Dockerfile b/8.0/fpm/Dockerfile
index 657b205..597ff35 100644
--- a/8.0/fpm/Dockerfile
+++ b/8.0/fpm/Dockerfile
@@ -10,11 +10,13 @@ RUN apt-get update && apt-get install -y \
 	libpng12-dev \
 	libpq-dev \
 	libxml2-dev \
+	libldap2-dev \
 	&& rm -rf /var/lib/apt/lists/*
 
 # https://doc.owncloud.org/server/8.1/admin_manual/installation/source_installation.html#prerequisites
 RUN docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
-	&& docker-php-ext-install gd exif intl mbstring mcrypt mysql opcache pdo_mysql pdo_pgsql pgsql zip
+	&& docker-php-ext-configure ldap --with-libdir=lib/x86_64-linux-gnu/ \
+	&& docker-php-ext-install gd exif intl mbstring mcrypt mysql opcache pdo_mysql pdo_pgsql pgsql zip ldap
 
 # set recommended PHP.ini settings
 # see https://secure.php.net/manual/en/opcache.installation.php
diff --git a/8.1/apache/Dockerfile b/8.1/apache/Dockerfile
index d9743e1..9141a16 100644
--- a/8.1/apache/Dockerfile
+++ b/8.1/apache/Dockerfile
@@ -11,11 +11,14 @@ RUN apt-get update && apt-get install -y \
 	libpng12-dev \
 	libpq-dev \
 	libxml2-dev \
+	libldap2-dev \
 	&& rm -rf /var/lib/apt/lists/*
 
 # https://doc.owncloud.org/server/8.1/admin_manual/installation/source_installation.html#prerequisites
 RUN docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
-	&& docker-php-ext-install gd exif intl mbstring mcrypt mysql opcache pdo_mysql pdo_pgsql pgsql zip
+	&& docker-php-ext-configure ldap --with-libdir=lib/x86_64-linux-gnu/ \
+	&& docker-php-ext-install gd exif intl mbstring mcrypt mysql opcache pdo_mysql pdo_pgsql pgsql zip ldap
+
 
 # set recommended PHP.ini settings
 # see https://secure.php.net/manual/en/opcache.installation.php
diff --git a/8.1/fpm/Dockerfile b/8.1/fpm/Dockerfile
index 42890ce..9cf5a16 100644
--- a/8.1/fpm/Dockerfile
+++ b/8.1/fpm/Dockerfile
@@ -11,11 +11,14 @@ RUN apt-get update && apt-get install -y \
 	libpng12-dev \
 	libpq-dev \
 	libxml2-dev \
+	libldap2-dev \
 	&& rm -rf /var/lib/apt/lists/*
 
 # https://doc.owncloud.org/server/8.1/admin_manual/installation/source_installation.html#prerequisites
 RUN docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
-	&& docker-php-ext-install gd exif intl mbstring mcrypt mysql opcache pdo_mysql pdo_pgsql pgsql zip
+	&& docker-php-ext-configure ldap --with-libdir=lib/x86_64-linux-gnu/ \
+	&& docker-php-ext-install gd exif intl mbstring mcrypt mysql opcache pdo_mysql pdo_pgsql pgsql zip ldap
+
 
 # set recommended PHP.ini settings
 # see https://secure.php.net/manual/en/opcache.installation.php
diff --git a/8.2/apache/Dockerfile b/8.2/apache/Dockerfile
index 2b0f2f4..f6754b5 100644
--- a/8.2/apache/Dockerfile
+++ b/8.2/apache/Dockerfile
@@ -11,11 +11,14 @@ RUN apt-get update && apt-get install -y \
 	libpng12-dev \
 	libpq-dev \
 	libxml2-dev \
+	libldap2-dev \
 	&& rm -rf /var/lib/apt/lists/*
 
 # https://doc.owncloud.org/server/8.1/admin_manual/installation/source_installation.html#prerequisites
 RUN docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
-	&& docker-php-ext-install gd exif intl mbstring mcrypt mysql opcache pdo_mysql pdo_pgsql pgsql zip
+	&& docker-php-ext-configure ldap --with-libdir=lib/x86_64-linux-gnu/ \
+	&& docker-php-ext-install gd exif intl mbstring mcrypt mysql opcache pdo_mysql pdo_pgsql pgsql zip ldap
+
 
 # set recommended PHP.ini settings
 # see https://secure.php.net/manual/en/opcache.installation.php
diff --git a/8.2/fpm/Dockerfile b/8.2/fpm/Dockerfile
index 1ed04e1..e42f374 100644
--- a/8.2/fpm/Dockerfile
+++ b/8.2/fpm/Dockerfile
@@ -11,11 +11,14 @@ RUN apt-get update && apt-get install -y \
 	libpng12-dev \
 	libpq-dev \
 	libxml2-dev \
+	libldap2-dev \
 	&& rm -rf /var/lib/apt/lists/*
 
 # https://doc.owncloud.org/server/8.1/admin_manual/installation/source_installation.html#prerequisites
 RUN docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
-	&& docker-php-ext-install gd exif intl mbstring mcrypt mysql opcache pdo_mysql pdo_pgsql pgsql zip
+	&& docker-php-ext-configure ldap --with-libdir=lib/x86_64-linux-gnu/ \
+	&& docker-php-ext-install gd exif intl mbstring mcrypt mysql opcache pdo_mysql pdo_pgsql pgsql zip ldap
+
 
 # set recommended PHP.ini settings
 # see https://secure.php.net/manual/en/opcache.installation.php
diff --git a/9.0/apache/Dockerfile b/9.0/apache/Dockerfile
index 47e6bab..0555bae 100644
--- a/9.0/apache/Dockerfile
+++ b/9.0/apache/Dockerfile
@@ -11,11 +11,14 @@ RUN apt-get update && apt-get install -y \
 	libpng12-dev \
 	libpq-dev \
 	libxml2-dev \
+	libldap2-dev \
 	&& rm -rf /var/lib/apt/lists/*
 
 # https://doc.owncloud.org/server/8.1/admin_manual/installation/source_installation.html#prerequisites
 RUN docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
-	&& docker-php-ext-install gd exif intl mbstring mcrypt mysql opcache pdo_mysql pdo_pgsql pgsql zip
+	&& docker-php-ext-configure ldap --with-libdir=lib/x86_64-linux-gnu/ \
+	&& docker-php-ext-install gd exif intl mbstring mcrypt mysql opcache pdo_mysql pdo_pgsql pgsql zip ldap
+
 
 # set recommended PHP.ini settings
 # see https://secure.php.net/manual/en/opcache.installation.php
diff --git a/9.0/fpm/Dockerfile b/9.0/fpm/Dockerfile
index 46caedd..e52036c 100644
--- a/9.0/fpm/Dockerfile
+++ b/9.0/fpm/Dockerfile
@@ -11,11 +11,14 @@ RUN apt-get update && apt-get install -y \
 	libpng12-dev \
 	libpq-dev \
 	libxml2-dev \
+	libldap2-dev \
 	&& rm -rf /var/lib/apt/lists/*
 
 # https://doc.owncloud.org/server/8.1/admin_manual/installation/source_installation.html#prerequisites
 RUN docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
-	&& docker-php-ext-install gd exif intl mbstring mcrypt mysql opcache pdo_mysql pdo_pgsql pgsql zip
+	&& docker-php-ext-configure ldap --with-libdir=lib/x86_64-linux-gnu/ \
+	&& docker-php-ext-install gd exif intl mbstring mcrypt mysql opcache pdo_mysql pdo_pgsql pgsql zip ldap
+
 
 # set recommended PHP.ini settings
 # see https://secure.php.net/manual/en/opcache.installation.php