diff --git a/data/Dockerfiles/php-fpm/Dockerfile b/data/Dockerfiles/php-fpm/Dockerfile
index 5c307ce7..224275fa 100644
--- a/data/Dockerfiles/php-fpm/Dockerfile
+++ b/data/Dockerfiles/php-fpm/Dockerfile
@@ -3,7 +3,7 @@ LABEL maintainer "Andre Peters <andre.peters@servercow.de>"
 
 ARG DEBIAN_FRONTEND=noninteractive
 
-RUN apk add -U --no-cache libxml2-dev icu-dev icu-libs redis mysql-client bash autoconf g++ make
+RUN apk add -U --no-cache libxml2-dev icu-dev icu-libs redis mysql-client bash autoconf g++ make openssl
 RUN pecl install redis && pecl clear-cache
 RUN docker-php-ext-configure intl
 RUN docker-php-ext-install intl pdo pdo_mysql xmlrpc