--- a/src/eric7/MicroPython/MipPackageDialog.py	Fri Mar 15 08:13:04 2024 +0100
+++ b/src/eric7/MicroPython/MipPackageDialog.py	Tue Mar 19 16:36:16 2024 +0100
@@ -53,7 +53,10 @@
         enable = bool(self.packageEdit.text())
         version = self.versionEdit.text()
         if version:
-            enable &= VersionInfo.isvalid(version)
+            try:
+                enable &= VersionInfo.is_valid(version)
+            except AttributeError:
+                enable &= VersionInfo.isvalid(version)
 
         self.buttonBox.button(QDialogButtonBox.StandardButton.Ok).setEnabled(enable)