diff --git a/tests/UnitTestColor.cpp b/tests/UnitTestColor.cpp
index a78276d..574e9ed 100644
--- a/tests/UnitTestColor.cpp
+++ b/tests/UnitTestColor.cpp
@@ -7,7 +7,7 @@
 
 using namespace omath;
 
-class UnitTestColor : public ::testing::Test
+class UnitTestColor final : public ::testing::Test
 {
 protected:
     Color color1;
diff --git a/tests/UnitTestMatrix.cpp b/tests/UnitTestMatrix.cpp
index fb9566f..92c2781 100644
--- a/tests/UnitTestMatrix.cpp
+++ b/tests/UnitTestMatrix.cpp
@@ -8,7 +8,7 @@
 using namespace omath;
 
 
-class UnitTestMatrix : public ::testing::Test
+class UnitTestMatrix final : public ::testing::Test
 {
 protected:
     Matrix m1;
diff --git a/tests/UnitTestVector2.cpp b/tests/UnitTestVector2.cpp
index 3e9740d..1e08947 100644
--- a/tests/UnitTestVector2.cpp
+++ b/tests/UnitTestVector2.cpp
@@ -9,7 +9,7 @@
 
 using namespace omath;
 
-class UnitTestVector2 : public ::testing::Test
+class UnitTestVector2 final : public ::testing::Test
 {
 protected:
     Vector2 v1;
diff --git a/tests/UnitTestVector3.cpp b/tests/UnitTestVector3.cpp
index daa59dc..75474cf 100644
--- a/tests/UnitTestVector3.cpp
+++ b/tests/UnitTestVector3.cpp
@@ -7,7 +7,7 @@
 
 using namespace omath;
 
-class UnitTestVector3 : public ::testing::Test
+class UnitTestVector3 final : public ::testing::Test
 {
 protected:
     Vector3 v1;