diff --git a/wnprc_billing/resources/schemas/dbscripts/postgresql/wnprc_billing-22.000-22.001.sql b/wnprc_billing/resources/schemas/dbscripts/postgresql/wnprc_billing-22.000-22.001.sql
new file mode 100644
index 000000000..16053660f
--- /dev/null
+++ b/wnprc_billing/resources/schemas/dbscripts/postgresql/wnprc_billing-22.000-22.001.sql
@@ -0,0 +1,2 @@
+-- Dropping idx_wnprc_billing_groupcategoryassociations_chargegroupname [chargeGroupName] because it overlaps with uq_wnprc_billing_groupcategoryassociations_group_category [chargeGroupName, chargeCategoryId]
+DROP INDEX wnprc_billing.idx_wnprc_billing_groupcategoryassociations_chargegroupname;
diff --git a/wnprc_billing/src/org/labkey/wnprc_billing/WNPRC_BillingModule.java b/wnprc_billing/src/org/labkey/wnprc_billing/WNPRC_BillingModule.java
index ac1ad4461..962a2e74e 100644
--- a/wnprc_billing/src/org/labkey/wnprc_billing/WNPRC_BillingModule.java
+++ b/wnprc_billing/src/org/labkey/wnprc_billing/WNPRC_BillingModule.java
@@ -65,7 +65,7 @@ public String getName()
     @Override
     public @Nullable Double getSchemaVersion()
     {
-        return 22.000;
+        return 22.001;
     }
 
     @Override