diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
new file mode 100644
index 0000000..e35b7bf
--- /dev/null
+++ b/.github/workflows/main.yml
@@ -0,0 +1,36 @@
+name: plotIt tests CI
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+  workflow_dispatch:
+
+jobs:
+  tests:
+    name: plotIt tests
+    runs-on: ubuntu-latest
+    container: rootproject/root:latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install dependencies
+        run: |
+          apt-get update -qq
+          apt-get install -y libboost-dev libboost-filesystem-dev libboost-regex-dev libboost-system-dev make ghostscript cmake python3 python3-pip imagemagick
+          python3 -m pip install pyyaml requests
+          mkdir -p $HOME/.config/ImageMagick
+          cp test/policy.xml $HOME/.config/ImageMagick
+          rm -f /etc/ImageMagick-6/policy.xml # workaround
+      - name: Build
+        run: |
+          cmake . 
+          make
+      - name: Run tests
+        run: |
+          cd "${GITHUB_WORKSPACE}/test"
+          sed -i 's=python =python3 =' run_tests.sh
+          ./run_tests.sh
+          cd -
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3ba37e5..3e8b755 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required( VERSION 2.8 )
+cmake_minimum_required( VERSION 2.8.12 )
 
 project(plotIt LANGUAGES CXX)
 
@@ -16,15 +16,15 @@ find_package(Boost REQUIRED COMPONENTS filesystem regex system)
 
 ExternalProject_Add(
   yaml-cpp-build
-  URL https://github.com/jbeder/yaml-cpp/archive/yaml-cpp-0.6.2.tar.gz
-  CMAKE_ARGS -DYAML_CPP_BUILD_TOOLS=OFF -DYAML_CPP_BUILD_CONTRIB=OFF -DCMAKE_INSTALL_PREFIX=${CMAKE_CURRENT_BINARY_DIR}/external
+  URL https://github.com/jbeder/yaml-cpp/archive/refs/tags/yaml-cpp-0.7.0.tar.gz
+  CMAKE_ARGS -DYAML_CPP_BUILD_TOOLS=OFF -DYAML_CPP_BUILD_CONTRIB=OFF -DCMAKE_INSTALL_PREFIX=${CMAKE_CURRENT_BINARY_DIR}/external -DCMAKE_CXX_FLAGS='-Wno-error=maybe-uninitialized'
   )
 add_library(yaml-cpp STATIC IMPORTED)
 add_dependencies(yaml-cpp yaml-cpp-build)
 set_target_properties(yaml-cpp PROPERTIES IMPORTED_LOCATION ${CMAKE_CURRENT_BINARY_DIR}/external/lib/libyaml-cpp.a)
 ExternalProject_Add(
   tclap
-  URL https://github.com/mirror/tclap/archive/tclap-1-2-1-release-final.tar.gz
+  URL https://github.com/mirror/tclap/archive/refs/tags/v1.2.4.tar.gz
   BUILD_IN_SOURCE 1
   PATCH_COMMAND ./autotools.sh
   CONFIGURE_COMMAND ./configure --prefix=${CMAKE_CURRENT_BINARY_DIR}/external