diff --git a/salak-yaml.cabal b/salak-yaml.cabal
--- a/salak-yaml.cabal
+++ b/salak-yaml.cabal
@@ -1,6 +1,6 @@
 cabal-version: 1.12
 name: salak-yaml
-version: 0.3.3.2
+version: 0.3.4
 license: MIT
 license-file: LICENSE
 copyright: 2019 Daniel YU
@@ -29,7 +29,7 @@
         base >=4.10 && <5,
         conduit >=1.3.1.1 && <1.4,
         libyaml >=0.1.1.0 && <0.2,
-        salak >=0.3.3.2 && <0.4,
+        salak >=0.3.4 && <0.4,
         text >=1.2.3.1 && <1.3
 
 test-suite spec
@@ -52,5 +52,5 @@
         hspec ==2.*,
         libyaml >=0.1.1.0 && <0.2,
         mtl >=2.2.2 && <2.3,
-        salak >=0.3.3.2 && <0.4,
+        salak >=0.3.4 && <0.4,
         text >=1.2.3.1 && <1.3