diff --git a/Dockerfile b/Dockerfile
index 32eed90..0c580f2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 FROM alpine:3.10 AS builder
 
-ENV VERSION=1.4-rc2
-ENV SHA256_SUM=285f7bae399ff85338de8293d863f94846ab3c03761ad82822259684835ec22e
+ENV VERSION=1.4.0
+ENV SHA256_SUM=6bd2a2ac05d6575c290c784e1267090550c56c92f65b66f0b155832fc860ef2c
 RUN wget https://github.com/roundcube/roundcubemail/releases/download/$VERSION/roundcubemail-$VERSION-complete.tar.gz
 RUN echo "$SHA256_SUM  roundcubemail-$VERSION-complete.tar.gz" | sha256sum -c - || exit 1
 RUN mkdir -p /var/lib/roundcube
diff --git a/roundcubemail-1.4.0-complete.tar.gz b/roundcubemail-1.4.0-complete.tar.gz
new file mode 100644
index 0000000..7c99aa0
Binary files /dev/null and b/roundcubemail-1.4.0-complete.tar.gz differ