diff --git a/.gitignore b/.gitignore
index d2f0cc6..6190263 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,4 @@
 /gtkwave-48.png
 /gtkwave-32.png
 /gtkwave-16.png
-/gtkwave-3.3.14.tar.gz
+/gtkwave-3.3.15.tar.gz
diff --git a/gtkwave.spec b/gtkwave.spec
index 802704d..ba409b5 100644
--- a/gtkwave.spec
+++ b/gtkwave.spec
@@ -5,7 +5,7 @@
 
 Summary:	Waveform Viewer
 Name:		gtkwave
-Version:	3.3.14
+Version:	3.3.15
 Release:	%{?prerel:0.}1%{?prerel:.%{prerel}}%{?dist}
 License:	GPLv2+
 Group:		Applications/Engineering
@@ -130,6 +130,12 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 %{_mandir}/man5/gtkwaverc.5*
 
 %changelog
+* Thu Nov 11 2010 Paul Howarth <paul@city-fan.org> 3.3.15-1
+- update to 3.3.15
+  - fixes for fstapi file reading and writing
+  - add detection in vcd2fst for Verilog XL-style VCD identifiers
+  - the --optimize flag now uses fst instead of lxt2 as its default file format
+
 * Wed Oct 27 2010 Paul Howarth <paul@city-fan.org> 3.3.14-1
 - update to 3.3.14
   - fixes for experimental dynamic SST building code and compiler warnings
diff --git a/sources b/sources
index 1d700a3..278c704 100644
--- a/sources
+++ b/sources
@@ -1,4 +1,4 @@
-3d7fb9cf8127a67c1965498bf7bd2629  gtkwave-3.3.14.tar.gz
+102b71665b4b4dfbf94b0d4eec06d61f  gtkwave-3.3.15.tar.gz
 4fdb2fec2b6d9732e2f111c6cd63b788  gtkwave-48.png
 410c50539074403d3a3240f7c9209b11  gtkwave-32.png
 2cc7754492918591242bc38a0b11d2a5  gtkwave-16.png