diff --git a/.gitignore b/.gitignore
index 680906cf4cc45dbdad0b627a792ea4702b0b82a9..f9f1ec64f727f9e27f1fbf1c404c0bd16088151c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,3 +18,6 @@ doc/doxygen/html
 
 # generated test data
 _test_*
+
+# temp
+z*
diff --git a/python/Makefile b/python/Makefile
index df57feffc337846818b2bac21fb67ac41e406356..fff17e1bcaf56c176a61752d8e8c4f59aa8bfd70 100644
--- a/python/Makefile
+++ b/python/Makefile
@@ -13,8 +13,8 @@
 # * change resources.
 # * want to install trace-generator and run tests
 
-VERSION = v1.3.0_beta_2
-DIST_VERSION = v1_3_0_beta_2
+VERSION = v1.3.0_beta_3
+DIST_VERSION = v1_3_0_beta_3
 MAC_M1_APP = MP-Gryphon_mac_m1_$(DIST_VERSION)
 MAC_INTEL_APP = MP-Gryphon_mac_intel_$(DIST_VERSION)
 UBUNTU_X64_APP = MP-Gryphon_ubuntu_20_4_x64_$(DIST_VERSION)
diff --git a/python/version_file.py b/python/version_file.py
index b7401c76938f82c1348db2731b56e62f749c6d21..5640c760cc21308bf882fcc82e7a0733617e9936 100644
--- a/python/version_file.py
+++ b/python/version_file.py
@@ -1,2 +1,2 @@
 # This file is auto-generated by Makefile.  Do not edit this file.
-VERSION = "v1.3.0_beta_2"
+VERSION = "v1.3.0_beta_3"