diff --git a/core/admin/Dockerfile b/core/admin/Dockerfile
index 485ad261..f3b8643c 100644
--- a/core/admin/Dockerfile
+++ b/core/admin/Dockerfile
@@ -1,5 +1,5 @@
 # First stage to build assets
-ARG DISTRO=alpine:3.10
+ARG DISTRO=alpine:3.12
 ARG ARCH=""
 FROM ${ARCH}node:8 as assets
 COPY --from=balenalib/rpi-alpine:3.10 /usr/bin/qemu-arm-static /usr/bin/qemu-arm-static
@@ -43,4 +43,4 @@ ENV FLASK_APP mailu
 
 CMD /start.py
 
-HEALTHCHECK CMD curl -f -L http://localhost/ui/login?next=ui.index || exit 1
\ No newline at end of file
+HEALTHCHECK CMD curl -f -L http://localhost/ui/login?next=ui.index || exit 1
diff --git a/core/dovecot/Dockerfile b/core/dovecot/Dockerfile
index da75140c..f6f8f2e2 100644
--- a/core/dovecot/Dockerfile
+++ b/core/dovecot/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.10
+ARG DISTRO=alpine:3.12
 FROM $DISTRO as builder
 WORKDIR /tmp
 RUN apk add git build-base automake autoconf libtool dovecot-dev xapian-core-dev icu-dev
diff --git a/core/nginx/Dockerfile b/core/nginx/Dockerfile
index 8189ad9f..2bc1cfd1 100644
--- a/core/nginx/Dockerfile
+++ b/core/nginx/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.10
+ARG DISTRO=alpine:3.12
 FROM $DISTRO
 # python3 shared with most images
 RUN apk add --no-cache \
diff --git a/core/none/Dockerfile b/core/none/Dockerfile
index b80a2d10..70041dac 100644
--- a/core/none/Dockerfile
+++ b/core/none/Dockerfile
@@ -1,6 +1,6 @@
 # This is an idle image to dynamically replace any component if disabled.
 
-ARG DISTRO=alpine:3.10
+ARG DISTRO=alpine:3.12
 FROM $DISTRO
 
 CMD sleep 1000000d
diff --git a/core/postfix/Dockerfile b/core/postfix/Dockerfile
index 187b30f1..8652eaa0 100644
--- a/core/postfix/Dockerfile
+++ b/core/postfix/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.10
+ARG DISTRO=alpine:3.12
 FROM $DISTRO
 # python3 shared with most images
 RUN apk add --no-cache \
diff --git a/core/rspamd/Dockerfile b/core/rspamd/Dockerfile
index ba86e51e..acaf074e 100644
--- a/core/rspamd/Dockerfile
+++ b/core/rspamd/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.10
+ARG DISTRO=alpine:3.12
 FROM $DISTRO
 # python3 shared with most images
 RUN apk add --no-cache \
diff --git a/optional/clamav/Dockerfile b/optional/clamav/Dockerfile
index af96e65f..1132845f 100644
--- a/optional/clamav/Dockerfile
+++ b/optional/clamav/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.11
+ARG DISTRO=alpine:3.12
 FROM $DISTRO
 # python3 shared with most images
 RUN apk add --no-cache \
diff --git a/optional/postgresql/Dockerfile b/optional/postgresql/Dockerfile
index fbcad249..95048147 100644
--- a/optional/postgresql/Dockerfile
+++ b/optional/postgresql/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.10
+ARG DISTRO=alpine:3.12
 FROM $DISTRO
 # python3 shared with most images
 RUN apk add --no-cache \
@@ -6,7 +6,7 @@ RUN apk add --no-cache \
   && pip3 install --upgrade pip
 
 # Shared layer between nginx, dovecot, postfix, postgresql, rspamd, unbound, rainloop, roundcube
-RUN pip3 install socrate
+RUN pip3 install socrate==0.2.0
 
 # Image specific layers under this line
 RUN apk add --no-cache \
diff --git a/optional/radicale/Dockerfile b/optional/radicale/Dockerfile
index 64712208..514072ce 100644
--- a/optional/radicale/Dockerfile
+++ b/optional/radicale/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.10
+ARG DISTRO=alpine:3.12
 FROM $DISTRO
 
 RUN apk add --no-cache curl bash python3 \
diff --git a/optional/unbound/Dockerfile b/optional/unbound/Dockerfile
index 71d13925..abb45420 100644
--- a/optional/unbound/Dockerfile
+++ b/optional/unbound/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.10
+ARG DISTRO=alpine:3.12
 FROM $DISTRO
 # python3 shared with most images
 RUN apk add --no-cache \
@@ -6,7 +6,7 @@ RUN apk add --no-cache \
   && pip3 install --upgrade pip
 
 # Shared layer between nginx, dovecot, postfix, postgresql, rspamd, unbound, rainloop, roundcube
-RUN pip3 install socrate
+RUN pip3 install socrate==0.2.0
 
 # Image specific layers under this line
 RUN apk add --no-cache unbound curl bind-tools \