diff --git a/CMakeLists.txt b/CMakeLists.txt
index 463aae9..115fe70 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.0)
+cmake_minimum_required(VERSION 2.8)
 add_definitions("-std=c++1y")
 
 add_subdirectory(lint)
diff --git a/example/CMakeLists.txt b/example/CMakeLists.txt
index b421ee7..7fb8cec 100644
--- a/example/CMakeLists.txt
+++ b/example/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.0)
+cmake_minimum_required(VERSION 2.8)
 include_directories(..)
 add_definitions("-std=c++1y")
 
diff --git a/language/culebra/CMakeLists.txt b/language/culebra/CMakeLists.txt
index 8e32721..d47cc47 100644
--- a/language/culebra/CMakeLists.txt
+++ b/language/culebra/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.0)
+cmake_minimum_required(VERSION 2.8)
 include_directories(../..)
 add_definitions("-std=c++1y")
 
diff --git a/language/pl0/CMakeLists.txt b/language/pl0/CMakeLists.txt
index 297763b..2a049e8 100644
--- a/language/pl0/CMakeLists.txt
+++ b/language/pl0/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.0)
+cmake_minimum_required(VERSION 2.8)
 include_directories(../..)
 add_definitions("-std=c++1y")
 
diff --git a/lint/CMakeLists.txt b/lint/CMakeLists.txt
index 45f9d69..1ec9399 100644
--- a/lint/CMakeLists.txt
+++ b/lint/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.0)
+cmake_minimum_required(VERSION 2.8)
 include_directories(..)
 add_definitions("-std=c++1y")
 
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 134e994..8ad2766 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.0)
+cmake_minimum_required(VERSION 2.8)
 include_directories(..)
 add_definitions("-std=c++1y")