diff --git a/CMakeLists.txt b/CMakeLists.txt
index d0bdfbdbe0b102978cb1d68ffcc6c50ebd1b6c6b..2952b26846bd8198f0bb662072e8fe1623571f67 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,7 +12,7 @@ project(
 )
 
 option(BUILD_SHARED_LIBS "Build shared libraries" ON)
-option(BUILD_TESTING "Build tests" ON)
+option(BUILD_TESTING "Build tests" OFF)
 
 option(MTIME_ENABLE_PYTHON "Enable the Python interface" OFF)
 option(MTIME_BUILD_DOCS "Build documentation" OFF)