diff --git a/go.mod b/go.mod
index 9198ac6..345a025 100644
--- a/go.mod
+++ b/go.mod
@@ -2,4 +2,4 @@ module github.com/x448/senml
 
 go 1.12
 
-require github.com/fxamacker/cbor/v2 v2.1.0
+require github.com/fxamacker/cbor/v2 v2.2.0
diff --git a/go.sum b/go.sum
index 3593271..c7a2ead 100644
--- a/go.sum
+++ b/go.sum
@@ -1,4 +1,4 @@
-github.com/fxamacker/cbor/v2 v2.1.0 h1:Z2oCM2wGujL3zDO0l+1HEVzSOr45+/jjIb6kR6/4OLY=
-github.com/fxamacker/cbor/v2 v2.1.0/go.mod h1:TA1xS00nchWmaBnEIxPSE5oHLuJBAVvqrtAnWBwBCVo=
+github.com/fxamacker/cbor/v2 v2.2.0 h1:6eXqdDDe588rSYAi1HfZKbx6YYQO4mxQ9eC6xYpU/JQ=
+github.com/fxamacker/cbor/v2 v2.2.0/go.mod h1:TA1xS00nchWmaBnEIxPSE5oHLuJBAVvqrtAnWBwBCVo=
 github.com/x448/float16 v0.8.4 h1:qLwI1I70+NjRFUR3zs1JPUCgaCXSh3SW62uAKT1mSBM=
 github.com/x448/float16 v0.8.4/go.mod h1:14CWIYCyZA/cWjXOioeEpHeN/83MdbZDRQHoFcYsOfg=