diff --git a/scripts/install.sh b/scripts/install.sh
index 16bcb54..2bdd216 100755
--- a/scripts/install.sh
+++ b/scripts/install.sh
@@ -45,8 +45,9 @@ mkdir -p "$DATA_DIR"
 mkdir -p "$HOOKS_DIR"
 
 echo "Installing binary to $BIN_DST..."
-cp "$BIN_SRC" "$BIN_DST"
-chmod 0755 "$BIN_DST"
+cp "$BIN_SRC" "${BIN_DST}.new"
+chmod 0755 "${BIN_DST}.new"
+mv -f "${BIN_DST}.new" "$BIN_DST"
 
 echo "Installing UI assets to $UI_DST..."
 mkdir -p "$(dirname "$UI_DST")"