diff --git a/configure.ac b/configure.ac
index 629a8f91..e4e0dc4c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -13,7 +13,7 @@ AC_PROG_CXX
 AC_SYS_LARGEFILE
 LT_INIT
 
-AX_CXX_COMPILE_STDCXX([14], [noext], [mandatory])
+AX_CXX_COMPILE_STDCXX([17], [noext], [mandatory])
 
 RAK_CHECK_CFLAGS
 RAK_CHECK_CXXFLAGS