diff --git a/yaml-unscrambler.cabal b/yaml-unscrambler.cabal
--- a/yaml-unscrambler.cabal
+++ b/yaml-unscrambler.cabal
@@ -1,5 +1,5 @@
 name: yaml-unscrambler
-version: 0.1.0.2
+version: 0.1.0.3
 synopsis: Flexible declarative YAML parsing toolkit
 stability: Experimental
 homepage: https://github.com/nikita-volkov/yaml-unscrambler
@@ -39,9 +39,9 @@
     YamlUnscrambler.Util.Vector
   build-depends:
     acc >=0.1.0.2 && <0.2,
-    attoparsec >=0.13 && <0.14,
-    attoparsec-data >=1.0.5 && <1.1,
-    attoparsec-time >=1.0.1.1 && <1.1,
+    attoparsec >=0.13 && <0.15,
+    attoparsec-data >=1.0.5.2 && <1.1,
+    attoparsec-time >=1.0.1.2 && <1.1,
     base >=4.11 && <5,
     base64 >=0.4.2.2 && <0.5,
     bytestring >=0.10 && <0.11,