diff --git a/README.rst b/README.rst
index bd501f6..2a06bd6 100644
--- a/README.rst
+++ b/README.rst
@@ -116,7 +116,7 @@ Please cite openSMILE in your publications by citing the following paper:
 
 
 .. _openSMILE: https://github.com/audeering/opensmile
-.. _ComParE 2016: http://www.tangsoo.de/documents/Publications/Schuller16-TI2.pdf
+.. _ComParE 2016: https://livrepository.liverpool.ac.uk/3003234/1/is2016_compare.pdf
 .. _GeMAPS: https://sail.usc.edu/publications/files/eyben-preprinttaffc-2015.pdf
 .. _eGeMAPS: https://sail.usc.edu/publications/files/eyben-preprinttaffc-2015.pdf
 .. _audformat: https://github.com/audeering/audformat
diff --git a/opensmile/core/define.py b/opensmile/core/define.py
index f6d308b..0251539 100644
--- a/opensmile/core/define.py
+++ b/opensmile/core/define.py
@@ -38,7 +38,7 @@ class FeatureSet(enum.Enum):
     * IS13_
 
     .. _ComParE 2016:
-        http://www.tangsoo.de/documents/Publications/Schuller16-TI2.pdf
+        https://livrepository.liverpool.ac.uk/3003234/1/is2016_compare.pdf
     .. _GeMAPS:
         https://sail.usc.edu/publications/files/eyben-preprinttaffc-2015.pdf
     .. _eGeMAPS: