diff --git a/go.mod b/go.mod
index 82db4fd..f48af39 100644
--- a/go.mod
+++ b/go.mod
@@ -4,8 +4,7 @@ go 1.13
 
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/rcrowley/go-metrics v0.0.0-20190706150252-9beb055b7962
-	github.com/stretchr/testify v1.4.0
-	github.com/wavefronthq/wavefront-sdk-go v0.9.5
-	gonum.org/v1/gonum v0.6.2 // indirect
+	github.com/rcrowley/go-metrics v0.0.0-20201227073835-cf1acfcdf475
+	github.com/stretchr/testify v1.7.0
+	github.com/wavefronthq/wavefront-sdk-go v0.9.8
 )
diff --git a/go.sum b/go.sum
index 9725abc..2ee8178 100644
--- a/go.sum
+++ b/go.sum
@@ -1,6 +1,7 @@
 github.com/ajstarks/svgo v0.0.0-20180226025133-644b8db467af/go.mod h1:K08gAheRH3/J6wwsYMMT4xOr94bZjxIelGM0+d/wbFw=
 github.com/caio/go-tdigest v2.3.0+incompatible h1:zP6nR0nTSUzlSqqr7F/LhslPlSZX/fZeGmgmwj2cxxY=
 github.com/caio/go-tdigest v2.3.0+incompatible/go.mod h1:sHQM/ubZStBUmF1WbB8FAm8q9GjDajLC5T7ydxE3JHI=
+github.com/caio/go-tdigest v3.1.0+incompatible/go.mod h1:sHQM/ubZStBUmF1WbB8FAm8q9GjDajLC5T7ydxE3JHI=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -13,11 +14,20 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/rcrowley/go-metrics v0.0.0-20190706150252-9beb055b7962 h1:eUm8ma4+yPknhXtkYlWh3tMkE6gBjXZToDned9s2gbQ=
 github.com/rcrowley/go-metrics v0.0.0-20190706150252-9beb055b7962/go.mod h1:bCqnVzQkZxMG4s8nGwiZ5l3QUCyqpo9Y+/ZMZ9VjZe4=
+github.com/rcrowley/go-metrics v0.0.0-20201227073835-cf1acfcdf475 h1:N/ElC8H3+5XpJzTSTfLsJV/mx9Q9g7kxmchpfZyxgzM=
+github.com/rcrowley/go-metrics v0.0.0-20201227073835-cf1acfcdf475/go.mod h1:bCqnVzQkZxMG4s8nGwiZ5l3QUCyqpo9Y+/ZMZ9VjZe4=
+github.com/stretchr/objx v0.1.0 h1:4G4v2dO3VZwixGIRoQ5Lfboy6nUhCyYzaqnIAPPhYs4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
+github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
+github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/wavefronthq/wavefront-sdk-go v0.9.5 h1:PCMP+lL6u31ZBMqNvbtwV0cQywJIs+g1ijFj8/ohIhU=
 github.com/wavefronthq/wavefront-sdk-go v0.9.5/go.mod h1:w1jMUOL5ARz+qQTdqwkeNfY9Cp0bB+90jThq169rKFA=
+github.com/wavefronthq/wavefront-sdk-go v0.9.8-0.20210206014147-6f7ebd643089/go.mod h1:JTGsu+KKgxx+GitC65VVdftN2iep1nVpQi/8EGR6v4Y=
+github.com/wavefronthq/wavefront-sdk-go v0.9.8 h1:6U1HW/sovO1ASbjU8f7iEZEKphDEehaDhdZ5nabb550=
+github.com/wavefronthq/wavefront-sdk-go v0.9.8/go.mod h1:JTGsu+KKgxx+GitC65VVdftN2iep1nVpQi/8EGR6v4Y=
 golang.org/x/exp v0.0.0-20180321215751-8460e604b9de/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20180807140117-3d87b88a115f/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190125153040-c74c464bbbf2 h1:y102fOLFqhV41b+4GPiJoa0k/x+pJcEi2/HB1Y5T6fU=
@@ -29,6 +39,7 @@ gonum.org/v1/gonum v0.0.0-20180816165407-929014505bf4/go.mod h1:Y+Yx5eoAFn32cQvJ
 gonum.org/v1/gonum v0.6.0/go.mod h1:9mxDZsDKxgMAuccQkewq682L+0eCu4dCN2yonUJTCLU=
 gonum.org/v1/gonum v0.6.2 h1:4r+yNT0+8SWcOkXP+63H2zQbN+USnC73cjGUxnDF94Q=
 gonum.org/v1/gonum v0.6.2/go.mod h1:9mxDZsDKxgMAuccQkewq682L+0eCu4dCN2yonUJTCLU=
+gonum.org/v1/gonum v0.7.0/go.mod h1:L02bwd0sqlsvRv41G7wGWFCsVNZFv/k1xzGIxeANHGM=
 gonum.org/v1/netlib v0.0.0-20190313105609-8cb42192e0e0 h1:OE9mWmgKkjJyEmDAAtGMPjXu+YNeGvK9VTSHY6+Qihc=
 gonum.org/v1/netlib v0.0.0-20190313105609-8cb42192e0e0/go.mod h1:wa6Ws7BG/ESfp6dHfk7C6KdzKA7wR7u/rKwOGE66zvw=
 gonum.org/v1/plot v0.0.0-20190515093506-e2840ee46a6b/go.mod h1:Wt8AAjI+ypCyYX3nZBvf6cAIx93T+c/OS2HFAYskSZc=
@@ -36,4 +47,7 @@ gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=