diff --git a/tools/test-requires b/tools/test-requires
index c691a6bcaf..bc279166e7 100644
--- a/tools/test-requires
+++ b/tools/test-requires
@@ -12,5 +12,4 @@ pylint==0.25.2
 python-subunit
 sphinx>=1.1.2
 testrepository>=0.0.13
-# testtools 0.9.25 is broken, change this when upstream is fixed (bug 1102400)
-testtools>=0.9.22,<=0.9.24
+testtools>=0.9.26