diff --git a/LICENSE b/LICENSE
index 81abd76..00c92ff 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright 2020 Andreas Geiß
+Copyright 2022 Andreas Geiß
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/device/controller_test.go b/device/controller_test.go
index 848f36f..d649564 100644
--- a/device/controller_test.go
+++ b/device/controller_test.go
@@ -4,7 +4,7 @@ import (
 	"testing"
 
 	"github.com/andygeiss/esp32/device"
-	"github.com/andygeiss/esp32/pkg/assert"
+	"github.com/andygeiss/utils/assert"
 )
 
 func TestControllerSetupErrorShouldBeNil(t *testing.T) {
diff --git a/examples/first/controller_test.go b/examples/first/controller_test.go
index 7a0e00e..6df8585 100644
--- a/examples/first/controller_test.go
+++ b/examples/first/controller_test.go
@@ -4,7 +4,7 @@ import (
 	"testing"
 
 	"github.com/andygeiss/esp32/device"
-	"github.com/andygeiss/esp32/pkg/assert"
+	"github.com/andygeiss/utils/assert"
 )
 
 func TestControllerSetupErrorShouldBeNil(t *testing.T) {
diff --git a/go.mod b/go.mod
index 955c481..f778d5c 100644
--- a/go.mod
+++ b/go.mod
@@ -1,8 +1,8 @@
 module github.com/andygeiss/esp32
 
-go 1.14
+go 1.18
 
 require (
-	github.com/andygeiss/assert v0.0.9
-	github.com/andygeiss/esp32-controller v0.0.3
+	github.com/andygeiss/esp32-controller v0.1.0
+	github.com/andygeiss/utils v0.1.1
 )
diff --git a/go.sum b/go.sum
index 0a21f31..70ee617 100644
--- a/go.sum
+++ b/go.sum
@@ -1,4 +1,4 @@
-github.com/andygeiss/assert v0.0.9 h1:ZITUqQiyeBo7hXROIb50vKV2jeSAy/R9CD9UkxxS3w4=
-github.com/andygeiss/assert v0.0.9/go.mod h1:fCwXr8GkRVuJWDwiCS73+NTcHXyhQSx4uqV/0Fl5T3g=
-github.com/andygeiss/esp32-controller v0.0.3 h1:lZzscKooFVp8S/hO9optF32wHgVXM0w5gci1WkIQMLw=
-github.com/andygeiss/esp32-controller v0.0.3/go.mod h1:L3NzO1fgbAIMtTM3IWDhu2pC3tqBudgZKeajZhmOoCk=
+github.com/andygeiss/esp32-controller v0.1.0 h1:o+SaEmOA3Sh3Qhxf7xqUpouE9Y39AneYEYrjdP6twAI=
+github.com/andygeiss/esp32-controller v0.1.0/go.mod h1:5bEu/i+U9pklziFmp1rJ8ijpz43Gzyz3jmL8+UrI+ys=
+github.com/andygeiss/utils v0.1.1 h1:+mUz6cqZRyNRJGKdMkA45g9wc5ijWtaDQTl8cw2CaG4=
+github.com/andygeiss/utils v0.1.1/go.mod h1:6GobpffB2ogOr4AmqQZhYFyNkvWlSVKzWTN1wIDvUTc=
diff --git a/pkg/assert/assert.go b/pkg/assert/assert.go
deleted file mode 100644
index d0e4363..0000000
--- a/pkg/assert/assert.go
+++ /dev/null
@@ -1,15 +0,0 @@
-package assert
-
-import (
-	"fmt"
-	"testing"
-)
-
-// That ...
-func That(desc string, t *testing.T, got interface{}, exp interface{}) {
-	t.Run(desc, func(t *testing.T) {
-		if fmt.Sprintf("%v", exp) != fmt.Sprintf("%v", got) {
-			t.Errorf("expected [%v] but got [%v]", exp, got)
-		}
-	})
-}