diff --git a/Makefile b/Makefile
index b46a852a..838ba1cf 100644
--- a/Makefile
+++ b/Makefile
@@ -47,11 +47,14 @@ bin: $(BIN_TARGETS) imag-bin
 
 bin-test: $(BIN_TARGET_TESTS) imag-bin
 
-lib: $(LIB_TARGETS)
+lib: $(LIB_TARGETS) lib-imag-ruby-tarball
 	@$(ECHO) "\t[ALLLIB ]"
 
 lib-test: $(LIB_TARGETS_TEST)
 
+lib-imag-ruby-tarball:
+	@$(MAKE) -C libimagruby tarball
+
 lib-imag-ruby-test:
 	@$(MAKE) -C libimagruby test