diff --git a/gtkwave.spec b/gtkwave.spec
index d88c743..24e9275 100644
--- a/gtkwave.spec
+++ b/gtkwave.spec
@@ -5,7 +5,7 @@
 
 Summary:	Waveform Viewer
 Name:		gtkwave
-Version:	3.3.36
+Version:	3.3.37
 Release:	%{?prerel:0.}1%{?prerel:.%{prerel}}%{?dist}
 License:	GPLv2+
 Group:		Applications/Engineering
@@ -187,6 +187,17 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 %{_mandir}/man5/gtkwaverc.5*
 
 %changelog
+* Mon Jun 11 2012 Paul Howarth <paul@city-fan.org> 3.3.37-1
+- update to 3.3.37
+  - correct an issue in which the parser for process filter lines assumed the
+    associated id number was always a single digit
+  - catch one more case when locating bitblasted signals in vcd files created
+    by modelsim
+  - kill stray pipeio_create() processes on pipeio_destroy()
+  - additions to extload to handle hier types, component types and signal types
+  - added support for extload files as input filetype in vcd2fst
+  - added -o for extload files to convert to FST
+
 * Wed May  9 2012 Paul Howarth <paul@city-fan.org> 3.3.36-1
 - update to 3.3.36
   - fixed destructive string convert in fstUtilityBinToEsc()
diff --git a/sources b/sources
index e714708..a028596 100644
--- a/sources
+++ b/sources
@@ -1,4 +1,4 @@
-a4275363369b0b7011afbaa7ec1667e6  gtkwave-3.3.36.tar.gz
+8747205c6cf1abb34b5a8b2f157f37e0  gtkwave-3.3.37.tar.gz
 2cc7754492918591242bc38a0b11d2a5  gtkwave-16.png
 410c50539074403d3a3240f7c9209b11  gtkwave-32.png
 4fdb2fec2b6d9732e2f111c6cd63b788  gtkwave-48.png