diff --git a/bin/update b/bin/update
index d75ef1e9..de5fbc2f 100755
--- a/bin/update
+++ b/bin/update
@@ -1,8 +1,11 @@
 #!/bin/zsh
 
-# Ask for the password up front
+# Ask for the administrator password upfront
 sudo -v
 
+# Keep-alive: update existing `sudo` time stamp until script is done
+while true; do sudo -n true; sleep 60; kill -0 "$$" || exit; done 2>/dev/null &
+
 cd ~/.dotfiles
 echo "Updating ALL the things!"
 
diff --git a/deploy b/deploy
index b93ea7c3..5d040004 100755
--- a/deploy
+++ b/deploy
@@ -2,6 +2,12 @@
 
 INSTALL_DIR="$HOME/.dotfiles"
 
+# Ask for the administrator password upfront
+sudo -v
+
+# Keep-alive: update existing `sudo` time stamp until script is done
+while true; do sudo -n true; sleep 60; kill -0 "$$" || exit; done 2>/dev/null &
+
 ##### GIT & DOTFILES ######
 # If the install folder doesn't exist, you bash < <(curl ...)'d this script!
 if [ ! -d "$INSTALL_DIR" ]; then