diff --git a/scripts/update/debian.sh b/scripts/update/debian.sh
index 9de5bfc21..d6a731d3d 100644
--- a/scripts/update/debian.sh
+++ b/scripts/update/debian.sh
@@ -2,6 +2,7 @@
 PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
 export PATH
 export LANG=en_US.UTF-8
+export DEBIAN_FRONTEND=noninteractive
 
 if grep -Eq "Ubuntu" /etc/*-release; then
     sudo ln -sf /bin/bash /bin/sh
diff --git a/scripts/update/ubuntu.sh b/scripts/update/ubuntu.sh
index 827009782..e794ff810 100644
--- a/scripts/update/ubuntu.sh
+++ b/scripts/update/ubuntu.sh
@@ -1,7 +1,8 @@
 #!/bin/bash
 PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
 export PATH
-LANG=en_US.UTF-8
+export LANG=en_US.UTF-8
+export DEBIAN_FRONTEND=noninteractive
 
 if grep -Eq "Ubuntu" /etc/*-release; then
     sudo ln -sf /bin/bash /bin/sh