diff --git a/.github/workflows/linux_distribution_check.yml b/.github/workflows/linux_distribution_check.yml
index a5ad6465f..f240f1ff9 100644
--- a/.github/workflows/linux_distribution_check.yml
+++ b/.github/workflows/linux_distribution_check.yml
@@ -35,11 +35,23 @@ jobs:
     - uses: actions/checkout@v1
     - name: install dependencies
       run: ./ci/install_dependencies.sh
-    - name: build
+    - name: download cmake
+      run: |
+        wget https://cmake.org/files/v3.17/cmake-3.17.2-Linux-x86_64.tar.gz
+        tar xf cmake-3.17.2-Linux-x86_64.tar.gz
+        export PATH=$(pwd)/cmake-3.17.2-Linux-x86_64/bin:${PATH}
+    - name: build bionic
+      run: |
+        mkdir build && cd build
+        ../cmake-3.17.2-Linux-x86_64/bin/cmake ..
+        make
+      if: matrix.container_image == 'ubuntu:bionic'
+    - name: build others
       run: |
         mkdir build && cd build
         cmake ..
         make
+      if: matrix.container_image != 'ubuntu:bionic'
     - name: regression tests
       run: |
         make -Cbuild test ARGS="-V"
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2f0b1dbba..b77e0aee1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 # CMakeLists.txt
 
 # CMake setup
-cmake_minimum_required (VERSION 3.8)
+cmake_minimum_required (VERSION 3.11)
 
 # Project initialisation
 project("CovidSim")
diff --git a/ci/install_dependencies.sh b/ci/install_dependencies.sh
index 2a085e119..4cc8df2ca 100755
--- a/ci/install_dependencies.sh
+++ b/ci/install_dependencies.sh
@@ -10,38 +10,38 @@ distro_id=$(grep '^ID=' /etc/os-release|awk -F = '{print $2}'|sed 's/\"//g')
 
 case "$distro_id" in
     'fedora')
-        dnf -y --refresh install cmake make g++ diffutils
+        dnf -y --refresh install cmake make g++ diffutils wget git
         ;;
 
     'debian')
         apt-get update
-        apt-get install -y cmake make g++ python3
+        apt-get install -y cmake make g++ python3 wget git
         ;;
 
     'arch')
         pacman --noconfirm -Syu
-        pacman --noconfirm -S cmake make gcc diffutils python3
+        pacman --noconfirm -S cmake make gcc diffutils python3 wget git
         ;;
 
     'ubuntu')
         apt-get update
-        apt-get install -y cmake make g++ python3 doxygen
+        apt-get install -y cmake make g++ python3 doxygen wget
         ;;
 
     'centos'|'rhel')
         yum -y install epel-release
-        yum -y install cmake3 make gcc-c++ python3
+        yum -y install cmake3 make gcc-c++ python3 wget git
         ln -s /bin/cmake3 /bin/cmake
         ;;
 
     'opensuse'|'opensuse-tumbleweed')
         zypper --non-interactive refresh
-        zypper --non-interactive install cmake make gcc-c++
+        zypper --non-interactive install cmake make gcc-c++ wget tar git
         ;;
 
     'alpine')
         apk update
-        apk add cmake make g++ bash python3 coreutils
+        apk add cmake make g++ bash python3 coreutils git
         ;;
     *)
         echo "Unsupported distribution: $distro_id"