diff --git a/scripts/dev/update-shell-completions.sh b/scripts/dev/update-shell-completions.sh
new file mode 100755
index 0000000..fa912e5
--- /dev/null
+++ b/scripts/dev/update-shell-completions.sh
@@ -0,0 +1,8 @@
+#!/bin/sh
+
+set -xue
+
+cabal --verbose=0 run ghcup:exe:ghcup -- --bash-completion-script ghcup > scripts/shell-completions/bash
+cabal --verbose=0 run ghcup:exe:ghcup -- --zsh-completion-script ghcup > scripts/shell-completions/zsh
+cabal --verbose=0 run ghcup:exe:ghcup -- --fish-completion-script ghcup > scripts/shell-completions/fish
+