diff --git a/requirements/common.in b/requirements/common.in
index f0c9bf92ca..0a171b6109 100644
--- a/requirements/common.in
+++ b/requirements/common.in
@@ -167,7 +167,7 @@ yamole
 
 # Needed for signing thumbnail requests so that they can be authenticated on the
 # other end.
-libthumbor==2.0.1
+libthumbor
 
 # Needed for string matching in AlertWordProcessor
 pyahocorasick