diff --git a/go.mod b/go.mod
index 9f1674b..505183f 100644
--- a/go.mod
+++ b/go.mod
@@ -3,6 +3,6 @@ module github.com/Kong/go-pluginserver
 go 1.13
 
 require (
-	github.com/Kong/go-pdk v0.5.0
-	github.com/ugorji/go/codec v1.1.7
+	github.com/Kong/go-pdk v0.6.0
+	github.com/ugorji/go/codec v1.2.1
 )
diff --git a/go.sum b/go.sum
index bc253cc..48627f6 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,5 @@
-github.com/Kong/go-pdk v0.5.0 h1:nH9wIQKmNht9gvZXIqWU4vxiaJ59hES40npkmK5rHLQ=
-github.com/Kong/go-pdk v0.5.0/go.mod h1:SgpwOhzZ7/44ETAm756laAIHGEAp0l2Vf9P0aRzeQDQ=
+github.com/Kong/go-pdk v0.6.0 h1:KZZKGYK5NbTIMQa5P1IRldMvA5/LJEoHhrsOQlVCPHo=
+github.com/Kong/go-pdk v0.6.0/go.mod h1:SrAne3YN4a7pNrlJ6Fb6xwa6kOhV2vDY/mqpb3X0fs4=
 github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
@@ -7,10 +7,10 @@ github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZN
 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/ugorji/go v1.1.7 h1:/68gy2h+1mWMrwZFeD1kQialdSzAb432dtpeJ42ovdo=
-github.com/ugorji/go v1.1.7/go.mod h1:kZn38zHttfInRq0xu/PH0az30d+z6vm202qpg1oXVMw=
-github.com/ugorji/go/codec v1.1.7 h1:2SvQaVZ1ouYrrKKwoSk2pzd4A9evlKJb9oTL+OaLUSs=
-github.com/ugorji/go/codec v1.1.7/go.mod h1:Ax+UKWsSmolVDwsd+7N3ZtXu+yMGCf907BLYF3GoBXY=
+github.com/ugorji/go v1.2.1 h1:dz+JxTe7GZQdErTo7SREc1jQj/hFP1k7jyIAwODoW+k=
+github.com/ugorji/go v1.2.1/go.mod h1:cSVypSfTLm2o9fKxXvQgn3rMmkPXovcWor6Qn5tbFmI=
+github.com/ugorji/go/codec v1.2.1 h1:/TRfW3XKkvWvmAYyCUaQlhoCDGjcvNR8xVVA/l5p/jQ=
+github.com/ugorji/go/codec v1.2.1/go.mod h1:s/WxCRi46t8rA+fowL40EnmD7ec0XhR7ZypxeBNdzsM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 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=