diff --git a/.travis.yml b/.travis.yml
index f0919bf..510d8c9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,9 +1,11 @@
 os: linux
-dist: bionic
+dist: focal
 arch: amd64
 
 language: cpp
-compiler: gcc
+compiler:
+  - clang
+  - gcc
   
 branches:
   only:
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4f80677..01971ce 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -104,3 +104,4 @@ configure_file(
 
 add_custom_target(purge
     COMMAND ${CMAKE_COMMAND} -P ${CMAKE_MODULE_PATH}/cmake_purge.cmake)
+