diff --git a/dataframe-json.cabal b/dataframe-json.cabal
--- a/dataframe-json.cabal
+++ b/dataframe-json.cabal
@@ -1,6 +1,6 @@
 cabal-version:      2.4
 name:               dataframe-json
-version:            1.0.1.0
+version:            1.0.1.1
 
 synopsis:           JSON reader and writer for the dataframe ecosystem.
 description:
@@ -12,7 +12,7 @@
 license-file:       LICENSE
 author:             Michael Chavinda
 maintainer:         mschavinda@gmail.com
-copyright:          (c) 2024-2025 Michael Chavinda
+copyright:          (c) 2024-2026 Michael Chavinda
 category:           Data
 tested-with:        GHC ==9.4.8 || ==9.6.7 || ==9.8.4 || ==9.10.3 || ==9.12.2
 
@@ -30,7 +30,7 @@
     build-depends:      base >= 4 && < 5,
                         aeson >= 0.11.0.0 && < 3,
                         bytestring >= 0.11 && < 0.13,
-                        dataframe-core ^>= 1.0,
+                        dataframe-core ^>= 1.1,
                         scientific >= 0.3.1 && < 0.4,
                         text >= 2.0 && < 3,
                         vector ^>= 0.13