diff --git a/python3.spec b/python3.spec
index 4635ee1..bd489ca 100644
--- a/python3.spec
+++ b/python3.spec
@@ -17,7 +17,7 @@ URL: https://www.python.org/
 #global prerel rc1
 %global upstream_version %{general_version}%{?prerel}
 Version: %{general_version}%{?prerel:~%{prerel}}
-Release: 3%{?dist}
+Release: 4%{?dist}
 License: Python
 
 
@@ -698,6 +698,12 @@ rm configure pyconfig.h.in
 
 %build
 
+# The build process embeds version info extracted from the Git repository
+# into the Py_GetBuildInfo and sys.version strings.
+# Our Git repository is artificial, so we don't want that.
+# Tell configure to not use git.
+export HAS_GIT=not-found
+
 # Regenerate the configure script and pyconfig.h.in
 autoconf
 autoheader
@@ -1593,6 +1599,9 @@ CheckPython optimized
 # ======================================================
 
 %changelog
+* Wed Aug 12 2020 Petr Viktorin <pviktori@redhat.com> - 3.7.8-4
+- In sys.version and initial REPL message, list the source commit as "default"
+
 * Mon Aug 03 2020 Lumír Balhar <lbalhar@redhat.com> - 3.7.8-3
 - Add support for upstream architectures' names (patch 353)