diff --git a/mm.py b/mm.py
index de0e3e7..47b2d5f 100755
--- a/mm.py
+++ b/mm.py
@@ -55,7 +55,7 @@
 # the app
 class mm(pyre.application, family="pyre.applications.mm", namespace="mm"):
     """
-    mm 4.4.1
+    mm 4.4.3
     Michael Aïvázis <michael.aivazis@para-sim.com>
     copyright 1998-2023 all rights reserved
     """
@@ -165,7 +165,7 @@ class mm(pyre.application, family="pyre.applications.mm", namespace="mm"):
     MM_LIBPATH.doc = "the MM_LIBPATH environment variable"
 
     # constants
-    version = "4.4.1"
+    version = "4.4.3"
 
     # behavior
     @pyre.export