diff --git a/setup.cfg b/setup.cfg
index 7d394b0..471555c 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = gnomonicus
-version = 2.6.8
+version = 2.6.9
 author = Philip W Fowler, Jeremy Westhead
 author_email = philip.fowler@ndm.ox.ac.uk
 description = Python code to integrate results of tb-pipeline and provide an antibiogram, mutations and variants
@@ -16,7 +16,7 @@ package_dir =
 packages = find:
 python_requires = >=3.10
 install_requires = 
-    gumpy>=1.3.4
+    gumpy>=1.3.5
     piezo>=0.8.3
     vcf_subset>=1.1.2
     numpy