diff --git a/cmd/CMakeLists.txt b/cmd/CMakeLists.txt
index a71f9df..afa58c3 100644
--- a/cmd/CMakeLists.txt
+++ b/cmd/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.6)
+cmake_minimum_required(VERSION 3.13)
 
 include_directories(${VU_HEADERS})
 set(EXECUTABLE_OUTPUT_PATH ${CMAKE_BINARY_DIR}/bin)
diff --git a/include/CMakeLists.txt b/include/CMakeLists.txt
index 1311382..d8c6661 100644
--- a/include/CMakeLists.txt
+++ b/include/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.6)
+cmake_minimum_required(VERSION 3.13)
 
 file(GLOB VU_HEADERS ${CMAKE_CURRENT_SOURCE_DIR}/*.h)
 install(FILES ${VU_HEADERS} DESTINATION ${HEADERS_INSTALL_PATH})
diff --git a/libvumod/CMakeLists.txt b/libvumod/CMakeLists.txt
index 118e211..dbdb5f1 100644
--- a/libvumod/CMakeLists.txt
+++ b/libvumod/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.6)
+cmake_minimum_required(VERSION 3.13)
 set(VUMODLIB_VERSION_STRING 0.0.1)
 set(VUMODLIB_VERSION_MAJOR 0)
 
diff --git a/man/CMakeLists.txt b/man/CMakeLists.txt
index 7b7fcd1..682073a 100644
--- a/man/CMakeLists.txt
+++ b/man/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.7)
+cmake_minimum_required(VERSION 3.13)
 
 set(RONN_ORGANIZATION "VirtualSquare-VUOS")
 set(RONN_ARGS --organization=${RONN_ORGANIZATION})
diff --git a/scripts/CMakeLists.txt b/scripts/CMakeLists.txt
index a2de90e..618faf6 100644
--- a/scripts/CMakeLists.txt
+++ b/scripts/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.6)
+cmake_minimum_required(VERSION 3.13)
 
 set(VU_SYSCALL_CONF ${PROJECT_SOURCE_DIR}/vu_syscalls.conf)
 set(VU_SCRIPT_PATH ${PROJECT_SOURCE_DIR}/scripts)
diff --git a/test_modules/CMakeLists.txt b/test_modules/CMakeLists.txt
index 4eb7299..8621b76 100644
--- a/test_modules/CMakeLists.txt
+++ b/test_modules/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.6)
+cmake_minimum_required(VERSION 3.13)
 
 include_directories(${VU_HEADERS})
 set(LIBRARY_OUTPUT_PATH ${CMAKE_BINARY_DIR}/lib)
diff --git a/umvu/CMakeLists.txt b/umvu/CMakeLists.txt
index afbd2d6..5d7b277 100644
--- a/umvu/CMakeLists.txt
+++ b/umvu/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.6)
+cmake_minimum_required(VERSION 3.13)
 
 set(UMVU_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src)
 set(UMVU_HEADERS ${CMAKE_CURRENT_SOURCE_DIR}/include)
diff --git a/vubinfmt/CMakeLists.txt b/vubinfmt/CMakeLists.txt
index bd67073..5111a86 100644
--- a/vubinfmt/CMakeLists.txt
+++ b/vubinfmt/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.6)
+cmake_minimum_required(VERSION 3.13)
 
 include_directories(${VU_HEADERS})
 
diff --git a/vudev/CMakeLists.txt b/vudev/CMakeLists.txt
index ffa51a5..d89ddf1 100644
--- a/vudev/CMakeLists.txt
+++ b/vudev/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.6)
+cmake_minimum_required(VERSION 3.13)
 
 include_directories(${VU_HEADERS})
 
diff --git a/vudev_modules/CMakeLists.txt b/vudev_modules/CMakeLists.txt
index 795a95c..5c42e26 100644
--- a/vudev_modules/CMakeLists.txt
+++ b/vudev_modules/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.6)
+cmake_minimum_required(VERSION 3.13)
 
 include_directories(${VU_HEADERS} ${VU_DYN_HEADER_PATH})
 set(LIBRARY_OUTPUT_PATH ${CMAKE_BINARY_DIR}/lib)
diff --git a/vufs/CMakeLists.txt b/vufs/CMakeLists.txt
index eee8a0f..0669d5e 100644
--- a/vufs/CMakeLists.txt
+++ b/vufs/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.6)
+cmake_minimum_required(VERSION 3.13)
 
 include_directories(${VU_HEADERS} ${CMAKE_CURRENT_SOURCE_DIR})
 
diff --git a/vufuse/CMakeLists.txt b/vufuse/CMakeLists.txt
index 3198ccc..e17679e 100644
--- a/vufuse/CMakeLists.txt
+++ b/vufuse/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.6)
+cmake_minimum_required(VERSION 3.13)
 
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_FILE_OFFSET_BITS=64 -DFUSE_USE_VERSION=29")
 
diff --git a/vufuse_modules/CMakeLists.txt b/vufuse_modules/CMakeLists.txt
index 5db6cc3..88fb61a 100644
--- a/vufuse_modules/CMakeLists.txt
+++ b/vufuse_modules/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.6)
+cmake_minimum_required(VERSION 3.13)
 
 include_directories(${VU_HEADERS} ${VU_DYN_HEADER_PATH})
 set(LIBRARY_OUTPUT_PATH ${CMAKE_BINARY_DIR}/lib)
diff --git a/vumisc/CMakeLists.txt b/vumisc/CMakeLists.txt
index 541fe77..a2e44c4 100644
--- a/vumisc/CMakeLists.txt
+++ b/vumisc/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.6)
+cmake_minimum_required(VERSION 3.13)
 
 include_directories(${VU_HEADERS})
 
diff --git a/vumisc_modules/CMakeLists.txt b/vumisc_modules/CMakeLists.txt
index 4a86dd4..afa4a37 100644
--- a/vumisc_modules/CMakeLists.txt
+++ b/vumisc_modules/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.6)
+cmake_minimum_required(VERSION 3.13)
 
 include_directories(${VU_HEADERS} ${VU_DYN_HEADER_PATH})
 set(LIBRARY_OUTPUT_PATH ${CMAKE_BINARY_DIR}/lib)
diff --git a/vunet/CMakeLists.txt b/vunet/CMakeLists.txt
index c6c01f7..cfbaf70 100644
--- a/vunet/CMakeLists.txt
+++ b/vunet/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.6)
+cmake_minimum_required(VERSION 3.13)
 
 include_directories(${VU_HEADERS})
 
diff --git a/vunet_modules/CMakeLists.txt b/vunet_modules/CMakeLists.txt
index 9dac1af..635aef5 100644
--- a/vunet_modules/CMakeLists.txt
+++ b/vunet_modules/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.6)
+cmake_minimum_required(VERSION 3.13)
 
 include_directories(${VU_HEADERS} ${VU_DYN_HEADER_PATH})
 set(LIBRARY_OUTPUT_PATH ${CMAKE_BINARY_DIR}/lib)