diff --git a/Makefile b/Makefile
index 4e023316..55a1449e 100644
--- a/Makefile
+++ b/Makefile
@@ -1512,7 +1512,7 @@ else
   print_wrapped=$(print_list)
 endif
 
-REQUIRE_DEPRECATION_ACK=0
+REQUIRE_DEPRECATION_ACK=1
 
 # Create the build directories, check libraries and print out
 # an informational message, then start building