diff --git a/cmd/cloud_sql_proxy/version.txt b/cmd/cloud_sql_proxy/version.txt
index c64ec5337..7c5f84019 100644
--- a/cmd/cloud_sql_proxy/version.txt
+++ b/cmd/cloud_sql_proxy/version.txt
@@ -1 +1 @@
-1.33.9
+1.33.10-dev