diff --git a/Makefile b/Makefile
index 9be0557b6..05b17f87c 100644
--- a/Makefile
+++ b/Makefile
@@ -121,6 +121,7 @@ man:
 contrib: lib
 	$(MAKE) -C contrib/pzstd all
 	$(MAKE) -C contrib/seekable_format/examples all
+	$(MAKE) -C contrib/seekable_format/tests test
 	$(MAKE) -C contrib/largeNbDicts all
 	cd contrib/single_file_libs/ ; ./build_decoder_test.sh
 	cd contrib/single_file_libs/ ; ./build_library_test.sh
@@ -139,6 +140,7 @@ clean:
 	$(Q)$(MAKE) -C contrib/gen_html $@ > $(VOID)
 	$(Q)$(MAKE) -C contrib/pzstd $@ > $(VOID)
 	$(Q)$(MAKE) -C contrib/seekable_format/examples $@ > $(VOID)
+	$(Q)$(MAKE) -C contrib/seekable_format/tests $@ > $(VOID)
 	$(Q)$(MAKE) -C contrib/largeNbDicts $@ > $(VOID)
 	$(Q)$(RM) zstd$(EXT) zstdmt$(EXT) tmp*
 	$(Q)$(RM) -r lz4