diff --git a/src/Makevars b/src/Makevars
index cad9d54..e07d4ab 100644
--- a/src/Makevars
+++ b/src/Makevars
@@ -12,16 +12,10 @@ LIBCMARK = cmark/cmark.o cmark/node.o cmark/iterator.o cmark/blocks.o cmark/inli
 	extensions/autolink.o extensions/core-extensions.o extensions/ext_scanners.o \
 	extensions/strikethrough.o extensions/table.o extensions/tagfilter.o
 
-PKG_LIBS = -Lcmark -lstatcmark
+PKG_LIBS = -lcmark-gfm -lcmark-gfm-extensions
 STATLIB = cmark/libstatcmark.a
 
-# For development only
-all: clean
-
-$(SHLIB): $(STATLIB)
-
-$(STATLIB): $(LIBCMARK)
-	$(AR) rcs $(STATLIB) $(LIBCMARK)
+$(SHLIB):
 
 clean:
 	rm -f $(LIBCMARK) $(OBJECTS) $(SHLIB) $(STATLIB)