diff --git a/Makefile b/Makefile
index b00651b7d731757b9b319abe3e3a4b2206e13a6b..7e58c1bef27a90ee871ad34271ad016410bcaca6 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 include config/vars
 
 .PHONY: all
-all: $(BOOK).pdf
+all: .check $(BOOK).pdf
 
 config/vars:
 	@git submodule update --init
diff --git a/config b/config
index 555cd4c023659856104becd38840ab98169ec600..b7353ef68339a0f940c02b09acbb1ba17cff17ff 160000
--- a/config
+++ b/config
@@ -1 +1 @@
-Subproject commit 555cd4c023659856104becd38840ab98169ec600
+Subproject commit b7353ef68339a0f940c02b09acbb1ba17cff17ff