diff --git a/package/cramfs/Config.in b/package/cramfs/Config.in
index daf6e6d10..b2a0c6c51 100644
--- a/package/cramfs/Config.in
+++ b/package/cramfs/Config.in
@@ -1,5 +1,6 @@
 config BR2_PACKAGE_CRAMFS
 	bool "cramfs"
+	select BR2_PACKAGE_ZLIB
 	help
 	  cramfs is a compressed read-only filesystem. This package
 	  contains the tools to generate and check a cramfs filesystem.