diff --git a/extra/iokit/hid/hid.factor b/extra/iokit/hid/hid.factor
index 465c55c833..ba3ca21fcb 100644
--- a/extra/iokit/hid/hid.factor
+++ b/extra/iokit/hid/hid.factor
@@ -1,5 +1,6 @@
 USING: iokit alien alien.syntax alien.c-types kernel
-system core-foundation ;
+system core-foundation core-foundation.data
+core-foundation.dictionaries ;
 IN: iokit.hid
 
 : kIOHIDDeviceKey "IOHIDDevice" ; inline
diff --git a/extra/iokit/iokit.factor b/extra/iokit/iokit.factor
index 2317d21ed5..cfc1b04506 100755
--- a/extra/iokit/iokit.factor
+++ b/extra/iokit/iokit.factor
@@ -1,6 +1,6 @@
 USING: alien.syntax alien.c-types core-foundation
-core-foundation.bundles system combinators kernel sequences
-debugger io accessors ;
+core-foundation.bundles core-foundation.dictionaries system
+combinators kernel sequences debugger io accessors ;
 IN: iokit
 
 <<