diff --git a/config/alacritty/alacritty.toml b/config/alacritty/alacritty.toml
index f016c07a..dcf34042 100644
--- a/config/alacritty/alacritty.toml
+++ b/config/alacritty/alacritty.toml
@@ -20,5 +20,6 @@ decorations = "None"
 [keyboard]
 bindings = [
 { key = "Insert", mods = "Shift", action = "Paste" },
-{ key = "Insert", mods = "Control", action = "Copy" }
+{ key = "Insert", mods = "Control", action = "Copy" },
+{ key = "Return", mods = "Shift", chars = "\u001B\r" }
 ]
diff --git a/migrations/1772988614.sh b/migrations/1772988614.sh
new file mode 100755
index 00000000..87b9726b
--- /dev/null
+++ b/migrations/1772988614.sh
@@ -0,0 +1,7 @@
+echo "Add Shift+Return keyboard binding for multi-line as used by Claude Code to Alacritty"
+
+ALACRITTY_CONFIG=~/.config/alacritty/alacritty.toml
+
+if [[ -f $ALACRITTY_CONFIG ]] && ! grep -q 'key = "Return"' "$ALACRITTY_CONFIG"; then
+  sed -i 's/{ key = "Insert", mods = "Control", action = "Copy" }/{ key = "Insert", mods = "Control", action = "Copy" },\n  { key = "Return", mods = "Shift", chars = "\\u001B\\r" }/' "$ALACRITTY_CONFIG"
+fi