diff --git a/cmake/DetectOptions.cmake b/cmake/DetectOptions.cmake
index 55f29daba5..436587056b 100644
--- a/cmake/DetectOptions.cmake
+++ b/cmake/DetectOptions.cmake
@@ -77,6 +77,10 @@ elseif(ADIOS2_USE_Blosc2)
   find_package(Blosc2 2.10.1)
 endif()
 if(Blosc2_FOUND)
+  if (CMAKE_VERSION VERSION_LESS 3.18)
+    message(FATAL_ERROR "Blosc2 dependency requires CMake>=3.18.")
+  endif()
+
   set(ADIOS2_HAVE_Blosc2 TRUE)
   if(TARGET Blosc2::blosc2_shared)
     set(blosc2_shlib_available ON)