diff --git a/lib/mlbackend/python/classes/processor.php b/lib/mlbackend/python/classes/processor.php
index 85d039432ccd0..7bb222c04623c 100644
--- a/lib/mlbackend/python/classes/processor.php
+++ b/lib/mlbackend/python/classes/processor.php
@@ -38,7 +38,7 @@ class processor implements  \core_analytics\classifier, \core_analytics\regresso
     /**
      * The required version of the python package that performs all calculations.
      */
-    const REQUIRED_PIP_PACKAGE_VERSION = '2.4.0';
+    const REQUIRED_PIP_PACKAGE_VERSION = '2.6.4';
 
     /**
      * The python package is installed in a server.