diff --git a/Dockerfile b/Dockerfile
index 2bfb063..19ddb49 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -57,7 +57,7 @@ RUN set -ex; \
 VOLUME /var/roundcube/config
 
 # Define Roundcubemail version
-ENV ROUNDCUBEMAIL_VERSION 1.4.3
+ENV ROUNDCUBEMAIL_VERSION 1.4.5
 
 # Set the entry point
 ENTRYPOINT ["/docker-entrypoint.sh"]
diff --git a/build-container.sh b/build-container.sh
index 3d50c71..3c47418 100755
--- a/build-container.sh
+++ b/build-container.sh
@@ -2,4 +2,4 @@
 
 set -ex
 
-docker build --force-rm -t nathan/roundcube -f Dockerfile build
+docker build --force-rm --no-cache -t nathan/roundcube -f Dockerfile build
diff --git a/build-rootfs.sh b/build-rootfs.sh
index 15c5ff7..f6a1860 100755
--- a/build-rootfs.sh
+++ b/build-rootfs.sh
@@ -3,7 +3,7 @@
 set -ex
 
 # Configuration options you usually edit go here
-ROUNDCUBEMAIL_VERSION=1.4.3
+ROUNDCUBEMAIL_VERSION=1.4.5
 CHECK_GPG=false
 CLEAN_INTERMEDIATES=false
 CONTAINER_VOLUME_CONFIG=/var/roundcube/config