diff --git a/Makefile b/Makefile
index deef3c2..aed4660 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 all: auth-client auth-server gen-key gen-keypair
 
-%.o: %.cc *.h
-	g++ -I/usr/local/include -std=c++11 -c -o $@ $<
+%.o: %.cc *.h Makefile
+	g++ -I/usr/local/include -std=c++11 -g -c -o $@ $<
 
 auth-client: auth-client.o crypto.o tlv.o
 	g++ -L/usr/local/lib -o auth-client auth-client.o crypto.o tlv.o -lsodium -levent