diff --git a/CMakeLists.txt b/CMakeLists.txt
index 043305a7e..cd2acc0f3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -28,7 +28,7 @@
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 # GNU Lesser General Public License for more details.
 
-cmake_minimum_required(VERSION 2.8.12)
+cmake_minimum_required(VERSION 2.8.12...3.27.1)
 
 ################################################
 # ug4
diff --git a/ugbase/CMakeLists.txt b/ugbase/CMakeLists.txt
index 1dc341d72..670f92c62 100644
--- a/ugbase/CMakeLists.txt
+++ b/ugbase/CMakeLists.txt
@@ -32,7 +32,7 @@
 # ugbase
 ################################################
 
-cmake_minimum_required(VERSION 2.8.12)
+cmake_minimum_required(VERSION 2.8.12...3.27.1)
 
 project(P_UGBASE)
 
diff --git a/ugbase/bindings/lua/CMakeLists.txt b/ugbase/bindings/lua/CMakeLists.txt
index 600c2337c..db29e25ae 100644
--- a/ugbase/bindings/lua/CMakeLists.txt
+++ b/ugbase/bindings/lua/CMakeLists.txt
@@ -28,7 +28,7 @@
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 # GNU Lesser General Public License for more details.
 
-cmake_minimum_required(VERSION 2.8.12)
+cmake_minimum_required(VERSION 2.8.12...3.27.1)
 
 ####
 # uginterface Library
diff --git a/ugbase/bridge/CMakeLists.txt b/ugbase/bridge/CMakeLists.txt
index bb817ffd9..752f61c85 100644
--- a/ugbase/bridge/CMakeLists.txt
+++ b/ugbase/bridge/CMakeLists.txt
@@ -28,8 +28,6 @@
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 # GNU Lesser General Public License for more details.
 
-cmake_minimum_required(VERSION 2.8.12)
-
 ####
 # ug_bridge Library
 ####
diff --git a/ugbase/common/CMakeLists.txt b/ugbase/common/CMakeLists.txt
index e09c0bd77..9713dcde9 100644
--- a/ugbase/common/CMakeLists.txt
+++ b/ugbase/common/CMakeLists.txt
@@ -28,7 +28,7 @@
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 # GNU Lesser General Public License for more details.
 
-cmake_minimum_required(VERSION 2.8.12)
+cmake_minimum_required(VERSION 2.8.12...3.27.1)
 
 ################################################
 # common
diff --git a/ugbase/common/node_tree/CMakeLists.txt b/ugbase/common/node_tree/CMakeLists.txt
index 1a1debf46..43ab0dc83 100644
--- a/ugbase/common/node_tree/CMakeLists.txt
+++ b/ugbase/common/node_tree/CMakeLists.txt
@@ -28,8 +28,6 @@
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 # GNU Lesser General Public License for more details.
 
-cmake_minimum_required(VERSION 2.8.12)
-
 ################################################
 # node-tree
 ################################################
diff --git a/ugbase/compile_info/CMakeLists.txt b/ugbase/compile_info/CMakeLists.txt
index f77fa00bf..2f05aca34 100644
--- a/ugbase/compile_info/CMakeLists.txt
+++ b/ugbase/compile_info/CMakeLists.txt
@@ -28,8 +28,6 @@
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 # GNU Lesser General Public License for more details.
 
-cmake_minimum_required(VERSION 2.8.12)
-
 ################################################
 # ug4 - compile-info
 ################################################
diff --git a/ugbase/lib_algebra/CMakeLists.txt b/ugbase/lib_algebra/CMakeLists.txt
index 8bab5ae58..8dec94058 100644
--- a/ugbase/lib_algebra/CMakeLists.txt
+++ b/ugbase/lib_algebra/CMakeLists.txt
@@ -28,7 +28,7 @@
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 # GNU Lesser General Public License for more details.
 
-cmake_minimum_required (VERSION 2.8.12)
+cmake_minimum_required (VERSION 2.8.12...3.27.1)
 
 project (P_LIB_ALGEBRA)
 
diff --git a/ugbase/lib_disc/CMakeLists.txt b/ugbase/lib_disc/CMakeLists.txt
index de8fce379..656bacecd 100644
--- a/ugbase/lib_disc/CMakeLists.txt
+++ b/ugbase/lib_disc/CMakeLists.txt
@@ -28,7 +28,7 @@
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 # GNU Lesser General Public License for more details.
 
-cmake_minimum_required(VERSION 2.8.12)
+cmake_minimum_required(VERSION 2.8.12...3.27.1)
 
 project(P_LIB_DISCRETIZATION)
 
diff --git a/ugbase/lib_grid/CMakeLists.txt b/ugbase/lib_grid/CMakeLists.txt
index 78eee3f3e..a846e329d 100644
--- a/ugbase/lib_grid/CMakeLists.txt
+++ b/ugbase/lib_grid/CMakeLists.txt
@@ -32,7 +32,7 @@
 # lib_grid
 ################################################
 
-cmake_minimum_required(VERSION 2.8.12)
+cmake_minimum_required(VERSION 2.8.12...3.27.1)
 
 project(P_LIB_GRID)
 
diff --git a/ugbase/pcl/CMakeLists.txt b/ugbase/pcl/CMakeLists.txt
index e88813849..b55083e41 100644
--- a/ugbase/pcl/CMakeLists.txt
+++ b/ugbase/pcl/CMakeLists.txt
@@ -32,7 +32,7 @@
 # Parallel Communication Layer
 ################################################
 
-cmake_minimum_required(VERSION 2.8.12)
+cmake_minimum_required(VERSION 2.8.12...3.27.1)
 
 project(P_PCL)
 
diff --git a/ugbase/registry/CMakeLists.txt b/ugbase/registry/CMakeLists.txt
index 87869fbde..b235123fd 100644
--- a/ugbase/registry/CMakeLists.txt
+++ b/ugbase/registry/CMakeLists.txt
@@ -28,8 +28,6 @@
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 # GNU Lesser General Public License for more details.
 
-cmake_minimum_required(VERSION 2.8.12)
-
 ####
 # registry Library
 ####
diff --git a/ugbase/ug_shell/CMakeLists.txt b/ugbase/ug_shell/CMakeLists.txt
index f7ec7d19e..abb4857f5 100644
--- a/ugbase/ug_shell/CMakeLists.txt
+++ b/ugbase/ug_shell/CMakeLists.txt
@@ -58,7 +58,7 @@
 ################################################################################
 
 
-cmake_minimum_required(VERSION 2.8.12)
+cmake_minimum_required(VERSION 2.8.12...3.27.1)
 
 ####
 # ugscript Library