diff --git a/scripts/package/src/package_managers/zim.sh b/scripts/package/src/package_managers/zim.sh
new file mode 100644
index 00000000..08c68915
--- /dev/null
+++ b/scripts/package/src/package_managers/zim.sh
@@ -0,0 +1,11 @@
+# shellcheck shell=bash
+# Zim is optional: a zsh setup without it never sets ZIM_HOME.
+zim::is_configured() {
+	[[ -n ${ZIM_HOME:-} && -f "$ZIM_HOME/zimfw.zsh" ]]
+}
+
+zim::update_all() {
+	zsh "$ZIM_HOME/zimfw.zsh" upgrade 2>&1 | log::file "Upgrading Zim" &&
+		zsh "$ZIM_HOME/zimfw.zsh" update 2>&1 | log::file "Updating Zim" &&
+		output::answer "Done"
+}
diff --git a/scripts/package/update_all b/scripts/package/update_all
index fd1b9c9f..6e2e3634 100755
--- a/scripts/package/update_all
+++ b/scripts/package/update_all
@@ -10,6 +10,7 @@ source "$DOTLY_PATH/scripts/package/src/package_managers/gem.sh"
 source "$DOTLY_PATH/scripts/package/src/package_managers/mas.sh"
 source "$DOTLY_PATH/scripts/package/src/package_managers/npm.sh"
 source "$DOTLY_PATH/scripts/package/src/package_managers/pip.sh"
+source "$DOTLY_PATH/scripts/package/src/package_managers/zim.sh"
 
 ##? Update all packages
 ##?
@@ -30,7 +31,7 @@ platform::command_exists cargo && output::h2 '📦 cargo' && cargo::update_all
 
 platform::command_exists tldr && output::h2 '📜 tldr database' && tldr --update >/dev/null 2>&1 && output::answer "Database updated"
 
-output::h2 "👽 Zim Framework" && zsh "$ZIM_HOME/zimfw.zsh" upgrade 2>&1 | log::file "Upgrading Zim" && zsh "$ZIM_HOME/zimfw.zsh" update 2>&1 | log::file "Updating Zim" && output::answer "Done"
+zim::is_configured && output::h2 "👽 Zim Framework" && zim::update_all
 
 output::h2 "🌚 dotly" && dot self update >/dev/null 2>&1 && output::answer "Done"