diff --git a/change_log.txt b/change_log.txt
index 67f053a..b4ab845 100644
--- a/change_log.txt
+++ b/change_log.txt
@@ -1,3 +1,6 @@
+1.3.1
+  -Support for version 3 GTC files during locus aggregation
+
 1.3.0
   -Added new function to assist with aggregation of information across samples for loci (see LocusAggregate)
   -Added new class to parse binary EGT files
diff --git a/module/__init__.py b/module/__init__.py
index c99868d..a6f0ffc 100644
--- a/module/__init__.py
+++ b/module/__init__.py
@@ -25,7 +25,7 @@
 # of the authors and should not be interpreted as representing official policies,
 # either expressed or implied, of the FreeBSD Project.
 
-__version__ = "1.3.0"
+__version__ = "1.3.1"
 from .GenotypeCalls import code2genotype, NC, AA, AB, BB, GenotypeCalls, NormalizationTransform, ScannerData
 from .BeadPoolManifest import RefStrand, SourceStrand, BeadPoolManifest
 from .LocusAggregate import LocusAggregate