diff --git a/src/cohort-extractor b/src/cohort-extractor
index 47e859f50..c28c7fee5 160000
--- a/src/cohort-extractor
+++ b/src/cohort-extractor
@@ -1 +1 @@
-Subproject commit 47e859f50b4e2df4cf841d86504fbb658f9e8cb4
+Subproject commit c28c7fee575d476c1abfab80e9af84dbfeea0d85