diff --git a/optional/clamav/Dockerfile b/optional/clamav/Dockerfile
index 1c83d9c7..a27c0eb2 100644
--- a/optional/clamav/Dockerfile
+++ b/optional/clamav/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:edge
+FROM alpine:3.8
 
 RUN apk add --no-cache clamav rsyslog wget clamav-libunrar
 
diff --git a/services/rspamd/Dockerfile b/services/rspamd/Dockerfile
index 987e5ab0..7239ddaf 100644
--- a/services/rspamd/Dockerfile
+++ b/services/rspamd/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:edge
+FROM alpine:3.8
 
 RUN apk add --no-cache python py-jinja2 rspamd rspamd-controller rspamd-proxy ca-certificates py-pip \
  && pip install --upgrade pip \