diff --git a/spanner/composer.json b/spanner/composer.json
index f06d93f93f..cfa4184bc3 100755
--- a/spanner/composer.json
+++ b/spanner/composer.json
@@ -1,6 +1,6 @@
 {
     "require": {
-        "google/cloud-spanner": "^1.97"
+        "google/cloud-spanner": "^2.0"
     },
     "autoload": {
         "psr-4": {