diff --git a/internal/releaser/util/util.go b/internal/releaser/util/util.go
index 7c1f548..dac0acc 100644
--- a/internal/releaser/util/util.go
+++ b/internal/releaser/util/util.go
@@ -35,6 +35,8 @@ func GetAccessToken(providerName string) (string, error) {
 
 	if token, exists = os.LookupEnv(envName); !exists {
 		return "", fmt.Errorf("could not find %s in the enviroment variables. Please check if it is set", envName)
+	} else if token == "" {
+		return "", fmt.Errorf("token %s is set in environment variables but is empty", envName)
 	}
 	return token, nil
 }
diff --git a/internal/releaser/util/util_test.go b/internal/releaser/util/util_test.go
new file mode 100644
index 0000000..287f81f
--- /dev/null
+++ b/internal/releaser/util/util_test.go
@@ -0,0 +1,43 @@
+package util_test
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/Nightapes/go-semantic-release/internal/releaser/util"
+)
+
+func TestCreateBearerHTTPClient(t *testing.T) {
+	client := util.CreateBearerHTTPClient(context.Background(), "")
+
+	assert.True(t, client != nil, "Client is empty")
+}
+
+type testDoubleToken struct {
+	providerName, token string
+	valid               bool
+}
+
+var testDoubles = []testDoubleToken{
+	testDoubleToken{providerName: "test0", token: "foo", valid: true},
+	testDoubleToken{providerName: "test1", token: "", valid: false},
+}
+
+func TestGetAccessToken(t *testing.T) {
+	for _, testObject := range testDoubles {
+		envName := fmt.Sprintf("%s_ACCESS_TOKEN", strings.ToUpper(testObject.providerName))
+		if err := os.Setenv(envName, testObject.token); err != nil {
+			fmt.Println(err.Error())
+		}
+
+		_, err := util.GetAccessToken(testObject.providerName)
+
+		assert.Equal(t, testObject.valid, err == nil)
+		os.Unsetenv(envName)
+	}
+}