diff --git a/cosmo/Dockerfile b/cosmo/Dockerfile
index 2a07608..7c60754 100644
--- a/cosmo/Dockerfile
+++ b/cosmo/Dockerfile
@@ -102,8 +102,9 @@ RUN : \
  && ./expand tar zcf dist/headers.tar.gz -T headers.txt \
   ape/config.h              libc/integral             T//gdtoa/gdtoa.h          \
   T//getopt/getopt.h        T//linenoise/linenoise.h  T//musl/crypt.h           \
-  T//musl/fnmatch.h         T//musl/passwd.h          T//regex/regex.h          \
-  T//zlib/zconf.h           T//zlib/zlib.h            \
+  T//musl/fnmatch.h         T//musl/passwd.h          T//musl/rand48.h          \
+  T//musl/tempnam.h         T//regex/regex.h          T//zlib/zconf.h           \
+  T//zlib/zlib.h            \
 ;
 
 # install the rest