diff --git a/dev-requirements.txt b/dev-requirements.txt
index cc348e4..d9606e6 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,6 +1,6 @@
 # Task runner
 invoke>=0.6.0,<2.0
-invocations<0.14
+invocations>=0.14,<2.0
 # Tests (N.B. integration suite also uses Invoke as above)
 spec>=0.11.3,<2.0
 mock==1.0.1