diff --git a/configure.ac b/configure.ac
index f768d45..4fa36d3 100755
--- a/configure.ac
+++ b/configure.ac
@@ -48,7 +48,7 @@
 )
 
 # Checks for typedefs, structures, and compiler characteristics.
-AX_CXX_COMPILE_STDCXX_14([noext])
+AX_CXX_COMPILE_STDCXX([17], [noext], [mandatory])
 AX_APPEND_COMPILE_FLAGS([-Wall -Werror], [CXXFLAGS])
 
 AC_DEFINE(ACTIVATION_FWD_ASSOCIATION, "inventory", [The name of the activation's forward association.])