diff --git a/uhc-util.cabal b/uhc-util.cabal
index c7edc15..d21fc73 100644
--- a/uhc-util.cabal
+++ b/uhc-util.cabal
@@ -37,7 +37,6 @@ library
     time >= 1.2,
     fclabels >= 2.0.3,
     logict-state >= 0.1.0.2,
-    pqueue >= 1.3.1,
     vector >= 0.11,
     chr-pretty >= 0.1.0.0,
     chr-parse >= 0.1.0.0,