diff --git a/tools/builds.pm b/tools/builds.pm
index f0357cdf27..e44e357548 100644
--- a/tools/builds.pm
+++ b/tools/builds.pm
@@ -741,7 +741,7 @@ sub simbuilds {
 	'engines' => {
 	    'espeak' => '-vel',
 	    'gtts' => '-l el',
-            'piper' => 'el_GR-rapunzelina-low.onnx',
+            'piper' => 'el_GR-rapunzelina-medium.onnx',
 	},
         'enabled' => 0,
     },
diff --git a/tools/voice.pl b/tools/voice.pl
index f9829c9799..4ac50eb2e0 100755
--- a/tools/voice.pl
+++ b/tools/voice.pl
@@ -165,7 +165,7 @@ my %piper_lang_map = (
     'espanol' => 'es_ES-sharvard-medium.onnx',
 #    'espanol' => 'es_MX-claude-high.onnx',
     'francais' => 'fr_FR-siwis-medium.onnx',
-    'greek' => 'el_GR-rapunzelina-low.onnx',
+    'greek' => 'el_GR-rapunzelina-medium.onnx',
     'italiano' => 'it_IT-paola-medium.onnx',
 #    'japanese' => '-vja',
 #    'korean' => '-vko',