--- ./Makefile.orig	2019-03-28 13:57:23.000000000 -0500
+++ ./Makefile	2019-04-15 13:39:08.565931109 -0500
@@ -67,8 +67,8 @@
 
 $(UTILS):: libgif.a libutil.a
 
-libgif.so: $(OBJECTS) $(HEADERS)
-	$(CC) $(CFLAGS) -shared $(LDFLAGS) -Wl,-soname -Wl,libgif.so.$(LIBMAJOR) -o libgif.so $(OBJECTS)
+libgif.so: $(OBJECTS) $(HEADERS) $(UOBJECTS)
+	$(CC) $(CFLAGS) -shared $(LDFLAGS) -Wl,-soname -Wl,libgif.so.$(LIBMAJOR) -o libgif.so $(OBJECTS) $(UOBJECTS)
 
 libgif.a: $(OBJECTS) $(HEADERS)
 	$(AR) rcs libgif.a $(OBJECTS)