diff --git a/git-annex.cabal b/git-annex.cabal
index ab1c77bf3b..391e082cc0 100644
--- a/git-annex.cabal
+++ b/git-annex.cabal
@@ -359,7 +359,7 @@ Executable git-annex
    memory,
    split,
    attoparsec,
-   concurrent-output (>= 1.10.8),
+   concurrent-output (>= 1.6),
    QuickCheck (>= 2.8.2),
    tasty (>= 0.7),
    tasty-hunit,