diff --git a/Changelog.txt b/Changelog.txt
index a2c90dd..b6d3fa4 100644
--- a/Changelog.txt
+++ b/Changelog.txt
@@ -1,5 +1,6 @@
 * 2017-10-17
 	- Updated paper ``Anonymizing Censorship Resistant Systems''
+	- Updated paper ``Fighting Censorship with Algorithms''
 
 * 2017-10-13
 	- Added an onion site for CensorBib.
diff --git a/references.bib b/references.bib
index 3e5feac..660179c 100644
--- a/references.bib
+++ b/references.bib
@@ -1148,7 +1148,7 @@
 	publisher = {Springer},
 	title = {Fighting Censorship with Algorithms},
 	year = {2010},
-	url = {http://mahdian.org/censorship.pdf},
+	url = {https://censorbib.nymity.ch/pdf/Mahdian2010a.pdf},
 }
 
 @inproceedings{McCoy2011a,