diff --git a/ouroboros-consensus/ouroboros-consensus.cabal b/ouroboros-consensus/ouroboros-consensus.cabal
index f8cd029329..042d1d2391 100644
--- a/ouroboros-consensus/ouroboros-consensus.cabal
+++ b/ouroboros-consensus/ouroboros-consensus.cabal
@@ -261,7 +261,7 @@ library
     , cardano-binary
     , cardano-crypto-class
     , cardano-prelude
-    , cardano-slotting
+    , cardano-slotting             ^>=0.1
     , cardano-strict-containers
     , cborg                        ^>=0.2.2
     , containers                   >=0.5    && <0.7