Index: uspace/Makefile.common
===================================================================
--- uspace/Makefile.common	(revision 8ac215d3ef9fa45981854eb3814449c8e57e1a28)
+++ uspace/Makefile.common	(revision 5fb070d1be55bdd5894111a9c35ca071690d9c3b)
@@ -241,5 +241,5 @@
 	-finput-charset=UTF-8 -ffreestanding -fno-builtin -ffunction-sections \
 	-nostdlib -nostdinc -Wall -Wextra -Wno-clobbered -Wno-unused-parameter \
-	-std=c++11 -Werror-implicit-function-declaration \
+	-std=c++17 -Werror-implicit-function-declaration \
 	-Wwrite-strings -pipe -ggdb -D__$(ENDIANESS)__