diff --git a/go.mod b/go.mod
index 13bbc5a1..85f7d39d 100644
--- a/go.mod
+++ b/go.mod
@@ -2,9 +2,11 @@ module bitbucket.org/ausocean/av
 
 go 1.16
 
+replace bitbucket.org/ausocean/utils v1.3.2 => ../utils
+
 require (
 	bitbucket.org/ausocean/iot v1.3.3
-	bitbucket.org/ausocean/utils v1.3.1
+	bitbucket.org/ausocean/utils v1.3.2
 	github.com/Comcast/gots v0.0.0-20190305015453-8d56e473f0f7
 	github.com/go-audio/audio v0.0.0-20181013203223-7b2a6ca21480
 	github.com/go-audio/wav v0.0.0-20181013172942-de841e69b884
diff --git a/go.sum b/go.sum
index 4ab950e7..d860c7a9 100644
--- a/go.sum
+++ b/go.sum
@@ -3,8 +3,8 @@ bitbucket.org/ausocean/iot v1.3.3 h1:xEu6jrvWEofzFo13154FS66g4i2Ojl94kheoUshFB/A
 bitbucket.org/ausocean/iot v1.3.3/go.mod h1:NbEg2PvYSHDdUsy5eMmihBySpWfqaHiMdspQDZdDe8o=
 bitbucket.org/ausocean/utils v1.2.11/go.mod h1:uXzX9z3PLemyURTMWRhVI8uLhPX4uuvaaO85v2hcob8=
 bitbucket.org/ausocean/utils v1.3.0/go.mod h1:yWsulKjbBgwL17/w55MQ6cIT9jmNeOkwpd2gUIxAcIY=
-bitbucket.org/ausocean/utils v1.3.1 h1:xESAyWsq2tExr8uNPqpysBAgihTJVoLYLF77ABZjX4g=
-bitbucket.org/ausocean/utils v1.3.1/go.mod h1:XgvCH4DQLCd6NYMzsSqwhHmPr+qzYks5M8IDpdNnZiU=
+bitbucket.org/ausocean/utils v1.3.2 h1:U+jNixVPH1Ih0QpOckI4djhEc/T6FAzt9znADRcJ07s=
+bitbucket.org/ausocean/utils v1.3.2/go.mod h1:XgvCH4DQLCd6NYMzsSqwhHmPr+qzYks5M8IDpdNnZiU=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 gioui.org v0.0.0-20210308172011-57750fc8a0a6/go.mod h1:RSH6KIUZ0p2xy5zHDxgAM4zumjgTw83q2ge/PI+yyw8=
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=