diff --git a/go.mod b/go.mod
index c7100214..2ed4c734 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module bitbucket.org/ausocean/av
 go 1.13
 
 require (
-	bitbucket.org/ausocean/iot v1.2.12
+	bitbucket.org/ausocean/iot v1.2.13
 	bitbucket.org/ausocean/utils v1.2.12
 	github.com/Comcast/gots v0.0.0-20190305015453-8d56e473f0f7
 	github.com/go-audio/audio v0.0.0-20181013203223-7b2a6ca21480
diff --git a/go.sum b/go.sum
index 87d44284..ef1fb9ff 100644
--- a/go.sum
+++ b/go.sum
@@ -6,6 +6,8 @@ bitbucket.org/ausocean/iot v1.2.11 h1:MwYQK1F2ESA5jPVSCB0lBUN8HBiNDHGkh/OMGJKw8O
 bitbucket.org/ausocean/iot v1.2.11/go.mod h1:Q5FwaOKnCty3dVeVtki6DLwYa5vhNpOaeu1lwLyPCg8=
 bitbucket.org/ausocean/iot v1.2.12 h1:Ixf0CTmWOMJVrJ6IYMEluTrCLlu9LM1eNSBZ+ZUnDmU=
 bitbucket.org/ausocean/iot v1.2.12/go.mod h1:Q5FwaOKnCty3dVeVtki6DLwYa5vhNpOaeu1lwLyPCg8=
+bitbucket.org/ausocean/iot v1.2.13 h1:E9LcW3HYqRgJqxNhPJUCfVRvoV2IAU4B7JSDNxB/x2k=
+bitbucket.org/ausocean/iot v1.2.13/go.mod h1:Q5FwaOKnCty3dVeVtki6DLwYa5vhNpOaeu1lwLyPCg8=
 bitbucket.org/ausocean/utils v1.2.11 h1:zA0FOaPjN960ryp8PKCkV5y50uWBYrIxCVnXjwbvPqg=
 bitbucket.org/ausocean/utils v1.2.11/go.mod h1:uXzX9z3PLemyURTMWRhVI8uLhPX4uuvaaO85v2hcob8=
 bitbucket.org/ausocean/utils v1.2.12 h1:VnskjWTDM475TnQRhBQE0cNp9D6Y6OELrd4UkD2VVIQ=