diff --git a/nextcloud/11.0/Dockerfile b/nextcloud/11.0/Dockerfile
index d55873e..d44c1b1 100644
--- a/nextcloud/11.0/Dockerfile
+++ b/nextcloud/11.0/Dockerfile
@@ -61,6 +61,7 @@ RUN echo "@testing https://nl.alpinelinux.org/alpine/edge/testing" >> /etc/apk/r
     php7.1-posix@testing \
     php7.1-openssl@testing \
     php7.1-ldap@testing \
+    php7.1-imap@testing \
     php7.1-ftp@testing \
     php7.1-pcntl@testing \
     php7.1-exif@testing \
diff --git a/nextcloud/daily/Dockerfile b/nextcloud/daily/Dockerfile
index 96e3d56..7707c9f 100644
--- a/nextcloud/daily/Dockerfile
+++ b/nextcloud/daily/Dockerfile
@@ -58,6 +58,7 @@ RUN echo "@testing https://nl.alpinelinux.org/alpine/edge/testing" >> /etc/apk/r
     php7.1-posix@testing \
     php7.1-openssl@testing \
     php7.1-ldap@testing \
+    php7.1-imap@testing \
     php7.1-ftp@testing \
     php7.1-pcntl@testing \
     php7.1-exif@testing \