diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index a0fa701..02a77ec 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -21,7 +21,8 @@ jobs:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           goos: ${{ matrix.goos }}
           goarch: ${{ matrix.goarch }}
-          goversion: "https://dl.google.com/go/go1.16.5.linux-amd64.tar.gz"
+          goversion: "1.16"
           project_path: "."
+          ldflags: "-X 'github.com/leighmacdonald/steamid/v2/steamid.BuildVersion=`git describe --abbrev=0`'"
           binary_name: "steamid"
           extra_files: LICENSE.md README.md
\ No newline at end of file
diff --git a/Makefile b/Makefile
index b1798fd..12ba864 100644
--- a/Makefile
+++ b/Makefile
@@ -32,3 +32,6 @@ run:
 
 test:
 	GOTRACEBACK=all GODEBUG=netdns=go $(GO_TEST) -v ./...
+
+lint:
+	@golangci-lint run
\ No newline at end of file
diff --git a/steamid/steamid.go b/steamid/steamid.go
index e3a8cab..180c1c0 100644
--- a/steamid/steamid.go
+++ b/steamid/steamid.go
@@ -18,8 +18,8 @@ package steamid
 import (
 	"context"
 	"encoding/json"
+	"fmt"
 	"github.com/pkg/errors"
-	"github.com/prometheus/common/log"
 	"io/ioutil"
 	"math/big"
 	"net/http"
@@ -117,12 +117,12 @@ func (t *SID64) UnmarshalJSON(data []byte) error {
 //
 // You can alternatively set the key with the environment variable `STEAM_TOKEN={YOUR_API_KEY`
 // To get a key see: https://steamcommunity.com/dev/apikey
-func SetKey(key string) {
+func SetKey(key string) error {
 	if len(key) != 32 && len(key) != 0 {
-		log.Warnf("Tried to set invalid key, must be 32 chars or 0 to remove it")
-		return
+		return errors.New("Tried to set invalid key, must be 32 chars or 0 to remove it")
 	}
 	apiKey = key
+	return nil
 }
 
 // GetKey returns the steam web api key, if set, otherwise empty string
@@ -422,8 +422,8 @@ func ResolveVanity(ctx context.Context, query string) (SID64, error) {
 	if len(vanityURLResponse.Response.Steamid) != 17 {
 		return SID64(0), errors.Errorf("Malformed steamid received: %s", vanityURLResponse.Response.Steamid)
 	}
-	output, err := strconv.ParseInt(vanityURLResponse.Response.Steamid, 10, 64)
-	if err != nil {
+	output, errI := strconv.ParseInt(vanityURLResponse.Response.Steamid, 10, 64)
+	if errI != nil {
 		return SID64(0), errors.Wrap(err, "Failed to parse int from steamid received")
 	}
 	return SID64(output), nil
@@ -523,8 +523,7 @@ func ParseString(body string) []SID64 {
 
 	for _, i := range m1 {
 		s, err := SID64FromString(i[0])
-		if err != nil {
-			log.Warnf("Failed to parse string to sid64: %s", i[0])
+		if err != nil || !s.Valid() {
 			continue
 		}
 		found[s] = true
@@ -542,7 +541,9 @@ func ParseString(body string) []SID64 {
 
 func init() {
 	if t, found := os.LookupEnv("STEAM_TOKEN"); found && t != "" {
-		SetKey(t)
+		if err := SetKey(t); err != nil {
+			fmt.Printf("(steamid) STEAM_TOKEN invalid: %v\n", err)
+		}
 	}
 	httpClient = &http.Client{
 		Timeout: time.Second * 10,
diff --git a/steamid/steamid_test.go b/steamid/steamid_test.go
index 26738c8..b053f9c 100644
--- a/steamid/steamid_test.go
+++ b/steamid/steamid_test.go
@@ -2,6 +2,7 @@ package steamid
 
 import (
 	"context"
+	"fmt"
 	"github.com/stretchr/testify/require"
 	"os"
 	"testing"
@@ -65,7 +66,6 @@ func TestConversions(t *testing.T) {
 	require.Equal(t, SIDToSID64("STEAM_0:0:86173181"), SID64(76561198132612090))
 }
 
-
 func TestResolveGID(t *testing.T) {
 	gid1, err := ResolveGID(context.Background(), "SQTreeHouse")
 	require.NoError(t, err, "Failed to fetch gid")
@@ -85,24 +85,24 @@ func TestResolveSID(t *testing.T) {
 	require.NoError(t, err)
 	require.Equal(t, sid1, SID64(76561197961279983))
 
-	sid2, err := ResolveSID64(context.Background(), "https://steamcommunity.com/id/FAKEXXXXXXXXXX123123")
-	require.Error(t, err)
+	sid2, err2 := ResolveSID64(context.Background(), "https://steamcommunity.com/id/FAKEXXXXXXXXXX123123")
+	require.Error(t, err2)
 	require.False(t, sid2.Valid())
 
-	sid3, err := ResolveSID64(context.Background(), "http://steamcommunity.com/profiles/76561197961279983")
-	require.NoError(t, err)
+	sid3, err3 := ResolveSID64(context.Background(), "http://steamcommunity.com/profiles/76561197961279983")
+	require.NoError(t, err3)
 	require.Equal(t, sid3, SID64(76561197961279983))
 
-	sid4, err := ResolveSID64(context.Background(), "[U:1:1014255]")
-	require.NoError(t, err)
+	sid4, err4 := ResolveSID64(context.Background(), "[U:1:1014255]")
+	require.NoError(t, err4)
 	require.Equal(t, sid4, SID64(76561197961279983))
 
-	sid5, err := ResolveSID64(context.Background(), "STEAM_0:1:507127")
+	sid5, err5 := ResolveSID64(context.Background(), "STEAM_0:1:507127")
 	require.Equal(t, sid5, SID64(76561197961279983))
-	require.NoError(t, err)
+	require.NoError(t, err5)
 
-	sid6, err := ResolveSID64(context.Background(), "")
-	require.Error(t, err)
+	sid6, err6 := ResolveSID64(context.Background(), "")
+	require.Error(t, err6)
 	require.False(t, sid6.Valid())
 
 }
@@ -110,7 +110,9 @@ func TestResolveSID(t *testing.T) {
 func TestMain(m *testing.M) {
 	key, found := os.LookupEnv("STEAM_TOKEN")
 	if found {
-		SetKey(key)
+		if e := SetKey(key); e != nil {
+			fmt.Printf(e.Error())
+		}
 	}
 	os.Exit(m.Run())
 }