diff --git a/collects/typed/file/md5.ss b/collects/typed/file/md5.ss
new file mode 100644
index 00000000..0cab46d7
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+++ b/collects/typed/file/md5.ss
@@ -0,0 +1,4 @@
+#lang typed-scheme
+(require/typed file/md5
+               [md5 ((U Bytes Input-Port) -> Bytes)])
+(provide md5)