diff --git a/.env.example b/.env.example
index 730a634..aff96c8 100644
--- a/.env.example
+++ b/.env.example
@@ -332,6 +332,7 @@ PHP_WORKER_INSTALL_IMAP=false
 PHP_WORKER_INSTALL_XMLRPC=false
 PHP_WORKER_INSTALL_SSDB=false
 PHP_WORKER_INSTALL_EVENT=false
+PHP_WORKER_INSTALL_INTL=true
 
 PHP_WORKER_PUID=1000
 PHP_WORKER_PGID=1000
diff --git a/docker-compose.yml b/docker-compose.yml
index db9e43c..174dd25 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -356,6 +356,7 @@ services:
           - INSTALL_XMLRPC=${PHP_WORKER_INSTALL_XMLRPC}
           - INSTALL_SSDB=${PHP_WORKER_INSTALL_SSDB}
           - INSTALL_EVENT=${PHP_WORKER_INSTALL_EVENT}
+          - INSTALL_INTL=${PHP_WORKER_INSTALL_INTL}
           - PUID=${PHP_WORKER_PUID}
           - PGID=${PHP_WORKER_PGID}
           - IMAGEMAGICK_VERSION=${PHP_WORKER_IMAGEMAGICK_VERSION}
diff --git a/php-worker/Dockerfile b/php-worker/Dockerfile
index 5f3a80f..27e7f64 100644
--- a/php-worker/Dockerfile
+++ b/php-worker/Dockerfile
@@ -508,6 +508,18 @@ RUN set -xe; \
   && docker-php-ext-enable ssdb \
   ;fi
 
+###########################################################################
+# Intl:
+###########################################################################
+
+ARG INSTALL_INTL=false
+
+RUN if [ ${INSTALL_INTL} = true ]; then \
+    apk add icu-dev && \
+    docker-php-ext-configure intl && \
+    docker-php-ext-install intl && \
+    docker-php-ext-enable intl \
+;fi
 
 ############################################################################
 ## Event: