diff --git a/scripts/_common.sh b/scripts/_common.sh
index fd830c1..4585917 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -14,7 +14,7 @@ nodejs_version="18.20.2"
 # EXPERIMENTAL HELPERS
 #=================================================
 
-readonly YNH_DEFAULT_MONGO_VERSION=7.0
+readonly YNH_DEFAULT_MONGO_VERSION=6.0
 # Declare the actual MongoDB version to use: 4.4; 5.0; 6.0
 # A packager willing to use another version of MongoDB can override the variable into its _common.sh.
 YNH_MONGO_VERSION=${YNH_MONGO_VERSION:-$YNH_DEFAULT_MONGO_VERSION}