diff --git a/python/CMakeLists.txt b/python/CMakeLists.txt
index c5d9d10..98d794f 100644
--- a/python/CMakeLists.txt
+++ b/python/CMakeLists.txt
@@ -1,5 +1,5 @@
 
-find_package (Python 3.10 COMPONENTS Interpreter Development)
+find_package (Python 3.10 COMPONENTS Interpreter Development REQUIRED)
 
 # Download or find pybind11 depending on configuration
 if(AARE_FETCH_PYBIND11)