diff --git a/Dockerfile b/Dockerfile
index 3be316a..ced9d9a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,20 @@
 FROM registry.gitlab.com/thallian/docker-confd-env:master
 
-RUN apk add --no-cache libressl openssh-client openldap zlib
+RUN apk add --no-cache \
+    libressl \
+    openssh-client \
+    openldap \
+    zlib
+
+RUN apk add --no-cache --repository http://dl-cdn.alpinelinux.org/alpine/edge/main \
+    libressl2.7-libcrypto
+
 RUN apk add --no-cache --repository http://dl-cdn.alpinelinux.org/alpine/edge/testing \
-    proftpd proftpd-mod_ldap proftpd-mod_sftp proftpd-mod_auth_file proftpd-utils
+    proftpd \
+    proftpd-mod_ldap \
+    proftpd-mod_sftp \
+    proftpd-mod_auth_file \
+    proftpd-utils
 
 RUN addgroup -g 2222 access
 RUN addgroup proftpd access