diff --git a/go.mod b/go.mod
index 4f26178c..db14c763 100644
--- a/go.mod
+++ b/go.mod
@@ -15,7 +15,7 @@ require (
 	github.com/dave/jennifer v1.6.1
 	github.com/dominikbraun/graph v0.15.0
 	github.com/dop251/goja v0.0.0-20230605162241-28ee0ee714f3
-	github.com/fastenhealth/fasten-sources v0.6.12
+	github.com/fastenhealth/fasten-sources v0.6.15
 	github.com/fastenhealth/gofhir-models v0.0.6
 	github.com/gin-gonic/gin v1.9.0
 	github.com/go-gormigrate/gormigrate/v2 v2.1.1
diff --git a/go.sum b/go.sum
index 3e2f0b39..b06216ae 100644
--- a/go.sum
+++ b/go.sum
@@ -101,8 +101,8 @@ github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1m
 github.com/envoyproxy/go-control-plane v0.9.7/go.mod h1:cwu0lG7PUMfa9snN8LXBig5ynNVH9qI8YYLbd1fK2po=
 github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
-github.com/fastenhealth/fasten-sources v0.6.12 h1:HnMdx+NuM6Y79E6yJgOwV3SJVvcHkgD96Xgql3ESgVI=
-github.com/fastenhealth/fasten-sources v0.6.12/go.mod h1:wD94lmBq6F2mIwT2CBF8owU4gO7E1oY2HUX6bbovOXM=
+github.com/fastenhealth/fasten-sources v0.6.15 h1:ogx3OYi33LmZXDCQk8LkPmjwU8cutKrhBi7bQbgtmZc=
+github.com/fastenhealth/fasten-sources v0.6.15/go.mod h1:wD94lmBq6F2mIwT2CBF8owU4gO7E1oY2HUX6bbovOXM=
 github.com/fastenhealth/gofhir-models v0.0.6 h1:yJYYaV1eJtHiGEfA1rXLsyOm/9hIi6s2cGoZzGfW1tM=
 github.com/fastenhealth/gofhir-models v0.0.6/go.mod h1:xB8ikGxu3bUq2b1JYV+CZpHqBaLXpOizFR0eFBCunis=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=