diff --git a/prerelease.version b/prerelease.version
index 7e7fe1b..d181a70 100644
--- a/prerelease.version
+++ b/prerelease.version
@@ -1,3 +1,5 @@
+#updated after building 0.27
+#Mon, 26 Oct 2020 15:52:52 -0400
 #updated after building 0.26
 #Mon, 26 Oct 2020 15:41:42 -0400
 #updated after building 0.25
@@ -49,5 +51,5 @@
 #prerelease version number
 #Tue, 03 Jun 2014 13:31:32 -0400
 #Thu Mar 22 12:30:21 EDT 2012
-prerelease.number=27
+prerelease.number=28