diff --git a/scripts/prplos_version.sh b/scripts/prplos_version.sh
index c3a4df7470..99030daf92 100755
--- a/scripts/prplos_version.sh
+++ b/scripts/prplos_version.sh
@@ -2,7 +2,7 @@
 export LANG=C
 export LC_ALL=C
 
-PRPLOS_DEVELOPMENT_VERSION="${PRPLOS_DEVELOPMENT_VERSION:-3.2.0}"
+PRPLOS_DEVELOPMENT_VERSION="${PRPLOS_DEVELOPMENT_VERSION:-4.0.0}"
 
 tagged_version() {
   local tag