diff --git a/README.md b/README.md
index 9bc8688..6558b1c 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ In addition, I would like to thank Steve Vinoski, Rickard Green, and Sverker Eri
 
 In general, consult the NaCl documentation at
 
-	http://nacl.cr.yp.to
+	https://nacl.cr.yp.to
 	
 but also note that our interface has full Edoc documentation, generated by executing
 
@@ -187,4 +187,4 @@ Also, in addition to correctness, testing the system like this makes sure we hav
 
 	http://nacl.cr.yp.to
 	
-for the full list of authors.
\ No newline at end of file
+for the full list of authors.