diff --git a/pes_to_spec/__init__.py b/pes_to_spec/__init__.py
index ba929ca8d21d03d460a87d0c69aa955121184d7a..081a9d45da3389e4ac5e944c9736a8ba8a8fee76 100644
--- a/pes_to_spec/__init__.py
+++ b/pes_to_spec/__init__.py
@@ -2,4 +2,4 @@
 Estimate high-resolution photon spectrometer data from low-resolution non-invasive measurements.
 """
 
-VERSION = "0.3.3"
+VERSION = "0.3.4"