diff --git a/contrib/all.factor b/contrib/all.factor
index eb4ddd47ed..6e73bfee88 100644
--- a/contrib/all.factor
+++ b/contrib/all.factor
@@ -1,6 +1,6 @@
 USING: kernel modules words ;
 
-REQUIRES: contrib/alien contrib/automata
+REQUIRES: contrib/alien contrib/automata contrib/base64
 contrib/benchmarks contrib/boids contrib/cairo contrib/calendar
 contrib/concurrency contrib/coroutines contrib/cpuinfo
 contrib/crypto contrib/dlists contrib/emacs contrib/furnace