diff --git a/CMakeLists.txt b/CMakeLists.txt
index a311b65..bfbfbb3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -74,6 +74,8 @@ if (FASTGLTF_DOWNLOAD_SIMDJSON)
         NAMESPACE fastgltf::
         DESTINATION lib/cmake/fastgltf
     )
+else()
+    find_package(simdjson CONFIG REQUIRED)
 endif()
 
 # Create the library target