diff --git a/Makefile b/Makefile
index d5b1f06..4c6d8d2 100644
--- a/Makefile
+++ b/Makefile
@@ -7,7 +7,8 @@ tidy:
 	go mod tidy
 
 generate: deepcopy-gen
-	touch ./tmp/deepcopy-gen-boilerplate.go.txt
+	@mkdir -p ./tmp
+	@touch ./tmp/deepcopy-gen-boilerplate.go.txt
 	deepcopy-gen -h ./tmp/deepcopy-gen-boilerplate.go.txt -i ./pkg/types
 
 # Run tests
diff --git a/pkg/versions/versions.go b/pkg/versions/versions.go
index 200bf50..6ad9416 100644
--- a/pkg/versions/versions.go
+++ b/pkg/versions/versions.go
@@ -17,9 +17,16 @@ const (
 )
 
 func IsNewerThan(v1 string, v2 string) bool {
-	return semver.Compare(v1, v2) == 1
+	return semver.Compare(sanitize(v1), sanitize(v2)) == 1
 }
 
 func IsSame(v1 string, v2 string) bool {
-	return semver.Compare(v1, v2) == 0
+	return semver.Compare(sanitize(v1), sanitize(v2)) == 0
+}
+
+func sanitize(v string) string {
+	if v == "" || v[0] == 'v' {
+		return v
+	}
+	return "v" + v
 }
diff --git a/pkg/versions/versions_suite_test.go b/pkg/versions/versions_suite_test.go
new file mode 100644
index 0000000..bfe1546
--- /dev/null
+++ b/pkg/versions/versions_suite_test.go
@@ -0,0 +1,13 @@
+package versions_test
+
+import (
+	"testing"
+
+	. "github.com/onsi/ginkgo/v2"
+	. "github.com/onsi/gomega"
+)
+
+func TestTypes(t *testing.T) {
+	RegisterFailHandler(Fail)
+	RunSpecs(t, "Types Suite")
+}
diff --git a/pkg/versions/versions_test.go b/pkg/versions/versions_test.go
new file mode 100644
index 0000000..1084010
--- /dev/null
+++ b/pkg/versions/versions_test.go
@@ -0,0 +1,24 @@
+package versions_test
+
+import (
+	"github.com/bakito/adguardhome-sync/pkg/versions"
+	. "github.com/onsi/ginkgo/v2"
+	. "github.com/onsi/gomega"
+)
+
+var _ = Describe("Versions", func() {
+	Context("IsNewerThan", func() {
+		It("should correctly parse json", func() {
+			Ω(versions.IsNewerThan("v0.106.10", "v0.106.9")).Should(BeTrue())
+			Ω(versions.IsNewerThan("v0.106.9", "v0.106.10")).Should(BeFalse())
+			Ω(versions.IsNewerThan("v0.106.10", "0.106.9")).Should(BeTrue())
+			Ω(versions.IsNewerThan("v0.106.9", "0.106.10")).Should(BeFalse())
+		})
+	})
+	Context("IsSame", func() {
+		It("should be the same version", func() {
+			Ω(versions.IsSame("v0.106.9", "v0.106.9")).Should(BeTrue())
+			Ω(versions.IsSame("0.106.9", "v0.106.9")).Should(BeTrue())
+		})
+	})
+})