diff --git a/plugins/php/versions/56/mongodb.sh b/plugins/php/versions/56/mongodb.sh
index d649393db..ef60a8600 100755
--- a/plugins/php/versions/56/mongodb.sh
+++ b/plugins/php/versions/56/mongodb.sh
@@ -12,7 +12,7 @@ serverPath=$(dirname "$rootPath")
 sourcePath=${serverPath}/source/php
 
 LIBNAME=mongodb
-LIBV=1.7.5
+LIBV=1.7.4
 sysName=`uname`
 actionType=$1
 version=$2