diff --git a/install.sh b/install.sh
index 01331c6..b0d325b 100755
--- a/install.sh
+++ b/install.sh
@@ -1,4 +1,4 @@
-version=1.0.1
+version="${1:-1.0.1}"
 bashrc=~/.bashrc
 zshrc=~/.zshrc
 originaldir=$PWD