diff --git a/cd_utils/CMakeLists.txt b/cd_utils/CMakeLists.txt
index 306845a..d13471c 100644
--- a/cd_utils/CMakeLists.txt
+++ b/cd_utils/CMakeLists.txt
@@ -1,5 +1,5 @@
+cmake_minimum_required(VERSION 3.0)
 project(cd_utils)
-cmake_minimum_required(VERSION 2.6)
 if (POLICY CMP0017)
 	cmake_policy(SET CMP0017 NEW)
 endif()
diff --git a/kx_utils/CMakeLists.txt b/kx_utils/CMakeLists.txt
index 584053f..6aa9fad 100644
--- a/kx_utils/CMakeLists.txt
+++ b/kx_utils/CMakeLists.txt
@@ -1,5 +1,5 @@
+cmake_minimum_required(VERSION 3.0)
 project(kx_utils)
-cmake_minimum_required(VERSION 2.6)
 if (POLICY CMP0017)
 	cmake_policy(SET CMP0017 NEW)
 endif()
diff --git a/piqt/CMakeLists.txt b/piqt/CMakeLists.txt
index d8cb37e..fd14e34 100644
--- a/piqt/CMakeLists.txt
+++ b/piqt/CMakeLists.txt
@@ -1,5 +1,5 @@
+cmake_minimum_required(VERSION 3.0)
 project(piqt)
-cmake_minimum_required(VERSION 2.6)
 if (POLICY CMP0017)
 	cmake_policy(SET CMP0017 NEW)
 endif()
diff --git a/piqt_utils/CMakeLists.txt b/piqt_utils/CMakeLists.txt
index b777f38..b54958f 100644
--- a/piqt_utils/CMakeLists.txt
+++ b/piqt_utils/CMakeLists.txt
@@ -1,5 +1,5 @@
+cmake_minimum_required(VERSION 3.0)
 project(piqt_utils)
-cmake_minimum_required(VERSION 2.6)
 if (POLICY CMP0017)
 	cmake_policy(SET CMP0017 NEW)
 endif()
diff --git a/qcd_utils/CMakeLists.txt b/qcd_utils/CMakeLists.txt
index 65a9232..d5a130e 100644
--- a/qcd_utils/CMakeLists.txt
+++ b/qcd_utils/CMakeLists.txt
@@ -1,5 +1,5 @@
+cmake_minimum_required(VERSION 3.0)
 project(qcd_utils)
-cmake_minimum_required(VERSION 2.6)
 if (POLICY CMP0017)
 	cmake_policy(SET CMP0017 NEW)
 endif()
diff --git a/qglengine/CMakeLists.txt b/qglengine/CMakeLists.txt
index f026767..8729b45 100644
--- a/qglengine/CMakeLists.txt
+++ b/qglengine/CMakeLists.txt
@@ -1,5 +1,5 @@
+cmake_minimum_required(VERSION 3.0)
 project(qglengine)
-cmake_minimum_required(VERSION 2.6)
 find_package(QAD REQUIRED)
 if (NOT Qt5)
 	message(WARNING "Building ${PROJECT_NAME} available only on Qt5!")
diff --git a/qglengine/widgets/CMakeLists.txt b/qglengine/widgets/CMakeLists.txt
index 6fb2155..3ac07f5 100644
--- a/qglengine/widgets/CMakeLists.txt
+++ b/qglengine/widgets/CMakeLists.txt
@@ -1,5 +1,5 @@
+cmake_minimum_required(VERSION 3.0)
 project(qglengine_widgets)
-cmake_minimum_required(VERSION 2.6)
 if (POLICY CMP0017)
 	cmake_policy(SET CMP0017 NEW)
 endif()
diff --git a/qglview/CMakeLists.txt b/qglview/CMakeLists.txt
index ebd06bc..b420122 100644
--- a/qglview/CMakeLists.txt
+++ b/qglview/CMakeLists.txt
@@ -1,5 +1,5 @@
+cmake_minimum_required(VERSION 3.0)
 project(qglview)
-cmake_minimum_required(VERSION 2.6)
 if (POLICY CMP0017)
 	cmake_policy(SET CMP0017 NEW)
 endif()