diff --git a/.github/actions/ci.yml b/.github/actions/ci.yml
deleted file mode 100644
index cb44b59..0000000
--- a/.github/actions/ci.yml
+++ /dev/null
@@ -1,6 +0,0 @@
-# ci.yml
-name: 'Test Fedora build'
-description: 'Test that the game compiles on Fedora using Docker'
-runs:
-  using: 'docker'
-  image: 'source/misc/docker/Dockerfile.Fedora25build'
diff --git a/CMakeLists.txt b/CMakeLists.txt
index a2795fd..0049c97 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.8.7)
+cmake_minimum_required(VERSION 3.7.2...3.18.4)
 project (blockattack)
 set(BIN_DIR ${blockattack_SOURCE_DIR}/Game)