diff --git a/test-requirements.txt b/test-requirements.txt
index 88b4b9409..51dfa5f3c 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -7,4 +7,4 @@ pytest-cov
 pytest-xdist
 randomize>=0.13
 recommonmark
-sphinx>=1.2.1,!=1.3b1,<6.2 # BSD
+sphinx>=1.2.1,!=1.3b1,<6.3 # BSD