diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 61509e6..01650dd 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -7,17 +7,17 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        go: [1.12, 1.13]
+        go: [1.12, 1.13, 1.14, 1.15, 1.16, 1.17]
         os: [ubuntu-latest, windows-latest, macos-latest]
 
     steps:
     - name: Set up Go ${{ matrix.go }}
-      uses: actions/setup-go@v1
+      uses: actions/setup-go@v2
       with:
         go-version: ${{ matrix.go }}
 
     - name: Check out code into the Go module directory
-      uses: actions/checkout@v1
+      uses: actions/checkout@v2
 
     - name: Get dependencies
       run: go mod download
diff --git a/decode.go b/decode.go
index 33ea47d..16a06b9 100644
--- a/decode.go
+++ b/decode.go
@@ -838,5 +838,5 @@ var (
 	float64Type     = reflect.TypeOf(float64(3.14))
 	stringType      = reflect.TypeOf("")
 	charType        = reflect.TypeOf(Char(0))
-	highPrecNumType = reflect.TypeOf(HighPrecNumber(0))
+	highPrecNumType = reflect.TypeOf(HighPrecNumber(""))
 )
diff --git a/go.mod b/go.mod
index c34946a..b8288f8 100644
--- a/go.mod
+++ b/go.mod
@@ -2,4 +2,4 @@ module github.com/jmank88/ubjson
 
 go 1.12
 
-require github.com/pkg/errors v0.8.0
+require github.com/pkg/errors v0.8.1
diff --git a/go.sum b/go.sum
index 3dfe462..f29ab35 100644
--- a/go.sum
+++ b/go.sum
@@ -1,2 +1,2 @@
-github.com/pkg/errors v0.8.0 h1:WdK/asTD0HN+q6hsWO3/vpuAkAr+tw6aNJNDFFf0+qw=
-github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
+github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=