diff --git a/core-data.cabal b/core-data.cabal
--- a/core-data.cabal
+++ b/core-data.cabal
@@ -3,11 +3,9 @@
 -- This file has been generated from package.yaml by hpack version 0.34.4.
 --
 -- see: https://github.com/sol/hpack
---
--- hash: 48545a1876c96d75c06bc415c0242e002b50e6b6e6c184b90e8aafebc9ee6bbf
 
 name:           core-data
-version:        0.2.1.10
+version:        0.2.1.11
 synopsis:       Convenience wrappers around common data structures and encodings
 description:    Wrappers around common data structures and encodings.
                 .
@@ -26,9 +24,9 @@
 copyright:      © 2018-2021 Athae Eredh Siniath and Others
 license:        MIT
 license-file:   LICENSE
+build-type:     Simple
 tested-with:
     GHC == 8.10.7
-build-type:     Simple
 
 source-repository head
   type: git
@@ -44,7 +42,7 @@
       lib
   ghc-options: -Wall -Wwarn -fwarn-tabs
   build-depends:
-      aeson
+      aeson <2.0
     , base >=4.11 && <5
     , bytestring
     , containers