diff --git a/utils/Dockerfile b/utils/Dockerfile
index 9e6d0fe..4086184 100644
--- a/utils/Dockerfile
+++ b/utils/Dockerfile
@@ -1,7 +1,7 @@
 ARG docker_repo=zokradonh
 FROM ${docker_repo}/kopano_core
 
-RUN apt update && apt-get install --no-install-recommends -y \
+RUN apt-get update && apt-get install --no-install-recommends -y \
     kopano-backup \
     kopano-migration-imap \
     kopano-migration-pst