diff --git a/libraries/LocalPeer/CMakeLists.txt b/libraries/LocalPeer/CMakeLists.txt
index b736cefcb..f6de6581c 100644
--- a/libraries/LocalPeer/CMakeLists.txt
+++ b/libraries/LocalPeer/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.9.4)
+cmake_minimum_required(VERSION 3.15)
 project(LocalPeer)
 
 if(QT_VERSION_MAJOR EQUAL 5)
diff --git a/libraries/gamemode/CMakeLists.txt b/libraries/gamemode/CMakeLists.txt
index 9e07f34ac..61195ac21 100644
--- a/libraries/gamemode/CMakeLists.txt
+++ b/libraries/gamemode/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.9.4)
+cmake_minimum_required(VERSION 3.15)
 project(gamemode
     VERSION 1.6.1)
 
diff --git a/libraries/javacheck/CMakeLists.txt b/libraries/javacheck/CMakeLists.txt
index fd545d2bc..b9bcb121a 100644
--- a/libraries/javacheck/CMakeLists.txt
+++ b/libraries/javacheck/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.9.4)
+cmake_minimum_required(VERSION 3.15)
 project(launcher Java)
 find_package(Java 1.7 REQUIRED COMPONENTS Development)
 
diff --git a/libraries/launcher/CMakeLists.txt b/libraries/launcher/CMakeLists.txt
index 4cd1ba58b..dfc4ebb32 100644
--- a/libraries/launcher/CMakeLists.txt
+++ b/libraries/launcher/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.9.4)
+cmake_minimum_required(VERSION 3.15)
 project(launcher Java)
 find_package(Java 1.7 REQUIRED COMPONENTS Development)
 
diff --git a/libraries/murmur2/CMakeLists.txt b/libraries/murmur2/CMakeLists.txt
index f3068201d..be989ee36 100644
--- a/libraries/murmur2/CMakeLists.txt
+++ b/libraries/murmur2/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.9.4)
+cmake_minimum_required(VERSION 3.15)
 project(murmur2)
 
 set(MURMUR_SOURCES
diff --git a/libraries/qdcss/CMakeLists.txt b/libraries/qdcss/CMakeLists.txt
index 0afdef321..ab8aaef94 100644
--- a/libraries/qdcss/CMakeLists.txt
+++ b/libraries/qdcss/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.9.4)
+cmake_minimum_required(VERSION 3.15)
 project(qdcss)
 
 if(QT_VERSION_MAJOR EQUAL 5)
diff --git a/libraries/rainbow/CMakeLists.txt b/libraries/rainbow/CMakeLists.txt
index b6bbe7101..0867b2d27 100644
--- a/libraries/rainbow/CMakeLists.txt
+++ b/libraries/rainbow/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.9.4)
+cmake_minimum_required(VERSION 3.15)
 project(rainbow)
 
 if(QT_VERSION_MAJOR EQUAL 5)