diff --git a/pes_to_spec/__init__.py b/pes_to_spec/__init__.py
index 5033045f74b16f15a774b1c640688fa4fcb1936d..a564b2cdd419a45e2e327fd40a02c43bc6b7ddf2 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 = "0.3.0"
+VERSION = "0.3.1"