diff --git a/salak.cabal b/salak.cabal
--- a/salak.cabal
+++ b/salak.cabal
@@ -1,6 +1,6 @@
 cabal-version: 1.12
 name: salak
-version: 0.2.7
+version: 0.2.8
 license: BSD3
 license-file: LICENSE
 copyright: (c) 2018 Daniel YU
@@ -69,8 +69,6 @@
         menshen >=0.0.2 && <0.1,
         mtl >=2.2.2 && <2.3,
         pqueue >=1.4.1.2 && <1.5,
-        salak-toml >=0.2.7 && <0.3,
-        salak-yaml >=0.2.7 && <0.3,
         scientific >=0.3.6.2 && <0.4,
         text >=1.2.3.1 && <1.3,
         time >=1.8.0.2 && <1.9