diff --git a/sagemath.spec b/sagemath.spec
index 7af061a..6c185d4 100644
--- a/sagemath.spec
+++ b/sagemath.spec
@@ -323,6 +323,7 @@ Requires:	python-networkx
 Requires:	python-pexpect
 %endif
 Requires:	python-sphinx
+Requires:	python-speaklater
 Requires:	python-twisted
 Requires:	python-twisted-mail
 Requires:	python-twisted-web