diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 718fd16c..2c650e3d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -19,7 +19,7 @@ build:
         - rm -rf build
         - mkdir -p build
         - cd build
-        - cmake ../DRAMSys
+        - cmake3 ../DRAMSys
         - make -j4
         - find . -name "*.o" -type f -delete
         - rm -rf ${CI_PROJECT_DIR}/coverage
diff --git a/DRAMSys/CMakeLists.txt b/DRAMSys/CMakeLists.txt
index 9ce35df7..6de513dd 100644
--- a/DRAMSys/CMakeLists.txt
+++ b/DRAMSys/CMakeLists.txt
@@ -30,7 +30,7 @@
 #
 # Author: Matthias Jung
 
-cmake_minimum_required(VERSION 3.10)
+cmake_minimum_required(VERSION 3.6)
 
 # Project Name:
 project(DRAMSys)
diff --git a/DRAMSys/library/CMakeLists.txt b/DRAMSys/library/CMakeLists.txt
index 0bfbbd1e..94f6bfb8 100644
--- a/DRAMSys/library/CMakeLists.txt
+++ b/DRAMSys/library/CMakeLists.txt
@@ -30,7 +30,7 @@
 #
 # Author: Matthias Jung
 
-cmake_minimum_required(VERSION 3.10)
+cmake_minimum_required(VERSION 3.6)
 
 # Project Name
 project(DRAMSysLibrary)
diff --git a/DRAMSys/traceAnalyzer/CMakeLists.txt b/DRAMSys/traceAnalyzer/CMakeLists.txt
index 3db02a3b..4a4eb37a 100644
--- a/DRAMSys/traceAnalyzer/CMakeLists.txt
+++ b/DRAMSys/traceAnalyzer/CMakeLists.txt
@@ -30,7 +30,7 @@
 #
 # Author: Matthias Jung
 
-cmake_minimum_required(VERSION 3.10)
+cmake_minimum_required(VERSION 3.6)
 
 # Project Name:
 project(TraceAnalyzer)