diff --git a/core/admin/Dockerfile b/core/admin/Dockerfile
index c9fea4a6..6f26d74c 100644
--- a/core/admin/Dockerfile
+++ b/core/admin/Dockerfile
@@ -3,6 +3,8 @@ FROM alpine:3.10
 RUN apk add --no-cache \
     python3 py3-pip git bash \
   && pip3 install --upgrade pip
+# Shared layer between admin, rspamd, postfix, dovecot, unbound, rainloop, roundcube and nginx
+RUN pip3 install git+https://github.com/Mailu/MailuStart.git#egg=mailustart
 # Image specific layers under this line
 RUN mkdir -p /app
 WORKDIR /app
diff --git a/core/dovecot/Dockerfile b/core/dovecot/Dockerfile
index af853e81..a2c3fffa 100644
--- a/core/dovecot/Dockerfile
+++ b/core/dovecot/Dockerfile
@@ -3,7 +3,7 @@ FROM alpine:3.10
 RUN apk add --no-cache \
     python3 py3-pip git bash \
   && pip3 install --upgrade pip
-# Shared layer between rspamd, postfix, dovecot, unbound, rainloop, roundcube and nginx
+# Shared layer between admin, rspamd, postfix, dovecot, unbound, rainloop, roundcube and nginx
 RUN pip3 install git+https://github.com/Mailu/MailuStart.git#egg=mailustart
 # Shared layer between dovecot and postfix
 RUN pip3 install "podop>=0.2.5"
diff --git a/core/nginx/Dockerfile b/core/nginx/Dockerfile
index 2ecd6db1..ecc8beaa 100644
--- a/core/nginx/Dockerfile
+++ b/core/nginx/Dockerfile
@@ -3,7 +3,7 @@ FROM alpine:3.10
 RUN apk add --no-cache \
     python3 py3-pip git bash \
   && pip3 install --upgrade pip
-# Shared layer between rspamd, postfix, dovecot, unbound, rainloop, roundcube and nginx
+# Shared layer between admin, rspamd, postfix, dovecot, unbound, rainloop, roundcube and nginx
 RUN pip3 install git+https://github.com/Mailu/MailuStart.git#egg=mailustart
 # Image specific layers under this line
 RUN apk add --no-cache certbot nginx nginx-mod-mail openssl curl \
diff --git a/core/postfix/Dockerfile b/core/postfix/Dockerfile
index d23e4f25..5bf8122f 100644
--- a/core/postfix/Dockerfile
+++ b/core/postfix/Dockerfile
@@ -3,7 +3,7 @@ FROM alpine:3.10
 RUN apk add --no-cache \
     python3 py3-pip git bash \
   && pip3 install --upgrade pip
-# Shared layer between rspamd, postfix, dovecot, unbound, rainloop, roundcube and nginx
+# Shared layer between admin, rspamd, postfix, dovecot, unbound, rainloop, roundcube and nginx
 RUN pip3 install git+https://github.com/Mailu/MailuStart.git#egg=mailustart
 # Shared layer between dovecot and postfix
 RUN pip3 install "podop>=0.2.5"
diff --git a/optional/postgresql/Dockerfile b/optional/postgresql/Dockerfile
index 552aea48..9ad92354 100644
--- a/optional/postgresql/Dockerfile
+++ b/optional/postgresql/Dockerfile
@@ -3,7 +3,7 @@ FROM alpine:3.10
 RUN apk add --no-cache \
     python3 py3-pip bash \
   && pip3 install --upgrade pip
-# Shared layer between rspamd, postfix, dovecot, unbound, rainloop, roundcube and nginx
+# Shared layer between admin, rspamd, postfix, dovecot, unbound, rainloop, roundcube and nginx
 RUN pip3 install jinja2
 # Image specific layers under this line
 RUN apk add --no-cache \
diff --git a/services/rspamd/Dockerfile b/services/rspamd/Dockerfile
index c78de88f..630f0a0d 100644
--- a/services/rspamd/Dockerfile
+++ b/services/rspamd/Dockerfile
@@ -3,7 +3,7 @@ FROM alpine:3.10
 RUN apk add --no-cache \
     python3 py3-pip git bash \
   && pip3 install --upgrade pip
-# Shared layer between rspamd, postfix, dovecot, unbound, rainloop, roundcube and nginx
+# Shared layer between admin, rspamd, postfix, dovecot, unbound, rainloop, roundcube and nginx
 RUN pip3 install git+https://github.com/Mailu/MailuStart.git#egg=mailustart
 # Image specific layers under this line
 RUN apk add --no-cache rspamd rspamd-controller rspamd-proxy rspamd-fuzzy ca-certificates curl
diff --git a/services/unbound/Dockerfile b/services/unbound/Dockerfile
index ebfe0185..b12ef2b6 100644
--- a/services/unbound/Dockerfile
+++ b/services/unbound/Dockerfile
@@ -3,7 +3,7 @@ FROM alpine:3.10
 RUN apk add --no-cache \
     python3 py3-pip git bash \
   && pip3 install --upgrade pip
-# Shared layer between rspamd, postfix, dovecot, unbound, rainloop, roundcube and nginx
+# Shared layer between admin, rspamd, postfix, dovecot, unbound, rainloop, roundcube and nginx
 RUN pip3 install git+https://github.com/Mailu/MailuStart.git#egg=mailustart
 # Image specific layers under this line
 RUN apk add --no-cache unbound curl bind-tools \
diff --git a/webmails/rainloop/Dockerfile b/webmails/rainloop/Dockerfile
index 94d8eff5..bebe844b 100644
--- a/webmails/rainloop/Dockerfile
+++ b/webmails/rainloop/Dockerfile
@@ -22,7 +22,7 @@ RUN apt-get update && apt-get install -y \
  && apt-get purge -y unzip \
  && rm -rf /var/lib/apt/lists
 
-# Shared layer between rspamd, postfix, dovecot, unbound, rainloop, roundcube and nginx
+# Shared layer between admin, rspamd, postfix, dovecot, unbound, rainloop, roundcube and nginx
 RUN pip3 install git+https://github.com/Mailu/MailuStart.git#egg=mailustart
 
 COPY include.php /var/www/html/include.php
diff --git a/webmails/roundcube/Dockerfile b/webmails/roundcube/Dockerfile
index 2db49967..0e6b484f 100644
--- a/webmails/roundcube/Dockerfile
+++ b/webmails/roundcube/Dockerfile
@@ -24,7 +24,7 @@ RUN apt-get update && apt-get install -y \
  && chown -R www-data: logs temp \
  && rm -rf /var/lib/apt/lists
 
-# Shared layer between rspamd, postfix, dovecot, unbound, rainloop, roundcube and nginx
+# Shared layer between admin, rspamd, postfix, dovecot, unbound, rainloop, roundcube and nginx
 RUN pip3 install git+https://github.com/Mailu/MailuStart.git#egg=mailustart
 
 COPY php.ini /php.ini