diff --git a/hikaru.cabal b/hikaru.cabal
index 82c6fe4b57a8dbc94ea2ba35d61cb45b44a26ee4..ee6ef198dbcdba29c5982d22d8a7f49f372581be 100644
--- a/hikaru.cabal
+++ b/hikaru.cabal
@@ -82,7 +82,6 @@ common common
       , mtl                >=2.2  && <2.3
       , praha              >=0.1  && <0.2
       , resourcet          >=1.2  && <1.3
-      , string-conversions >=0.4  && <0.5
       , text               >=1.2  && <1.3
       , time               >=1.9  && <1.12
       , unliftio           >=0.2  && <0.3