diff --git a/makefile b/makefile
index 309728f..ec7fea6 100644
--- a/makefile
+++ b/makefile
@@ -2,6 +2,7 @@ all: build
 
 Q ?= @
 SHOULD_UPDATE = ./bin/should-update
+OPTS ?=
 
 NAME ?= John
 EMAIL ?= john@example.com
@@ -64,9 +65,9 @@ permission-set:
 ###################
 
 build-server:
-	$(Q)-$(SHOULD_UPDATE) bin/authd && shards build authd
+	$(Q)-$(SHOULD_UPDATE) bin/authd && shards build authd $(OPTS)
 build-client:
-	$(Q)-$(SHOULD_UPDATE) bin/authc && shards build authc
+	$(Q)-$(SHOULD_UPDATE) bin/authc && shards build authc $(OPTS)
 
 build: build-server build-client