diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,9 +2,17 @@
 
 `hslua` uses [PVP Versioning][].
 
+## hslua-2.2.0
+
+Released 2022-02-19.
+
+-   Require version 2.2.* of all hslua-* packages.
+
+-   Include hslua-aeson, and re-export `HsLua.Aeson` from `HsLua`.
+
 ## hslua-2.1.0
 
-Released 29-01-2022.
+Released 2022-01-29.
 
 -   Update to hslua-objectorientation 2.1.0. This entails changes
     to `deftype'` and `deftypeGeneric`, switching the order of
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@
 software and embedded devices. This package provides Haskell bindings to Lua,
 enable coders to embed the language into their programs, making them scriptable.
 
-HsLua ships with batteries included and includes Lua 5.3.6. Cabal
+HsLua ships with batteries included and includes Lua 5.4.4. Cabal
 flags make it easy to compile against a system-wide Lua
 installation.
 
diff --git a/hslua.cabal b/hslua.cabal
--- a/hslua.cabal
+++ b/hslua.cabal
@@ -1,6 +1,6 @@
 cabal-version:       2.2
 name:                hslua
-version:             2.1.0
+version:             2.2.0
 synopsis:            Bindings to Lua, an embeddable scripting language
 description:         HsLua provides wrappers and helpers
                      to bridge Haskell and <https://www.lua.org/ Lua>.
@@ -8,8 +8,9 @@
                      It builds upon the /lua/ package, which allows to bundle
                      a Lua interpreter with a Haskell program.
                      .
-                     <https://github.com/hslua/hslua-examples Example programs>
-                     are available in a separate repository.
+                     Example programs are can be found in the @hslua-examples@
+                     subdir of the project
+                     <https://github.com/hslua/hslua repository>.
 homepage:            https://hslua.org/
 bug-reports:         https://github.com/hslua/hslua/issues
 license:             MIT
@@ -43,11 +44,12 @@
                      , bytestring              >= 0.10.2 && < 0.12
                      , containers              >= 0.5.9  && < 0.7
                      , exceptions              >= 0.8    && < 0.11
-                     , hslua-core              >= 2.1    && < 2.2
-                     , hslua-classes           >= 2.1    && < 2.2
-                     , hslua-marshalling       >= 2.1    && < 2.2
-                     , hslua-objectorientation >= 2.1    && < 2.2
-                     , hslua-packaging         >= 2.1    && < 2.2
+                     , hslua-aeson             >= 2.2    && < 2.3
+                     , hslua-core              >= 2.2    && < 2.3
+                     , hslua-classes           >= 2.2    && < 2.3
+                     , hslua-marshalling       >= 2.2    && < 2.3
+                     , hslua-objectorientation >= 2.2    && < 2.3
+                     , hslua-packaging         >= 2.2    && < 2.3
                      , mtl                     >= 2.2    && < 2.3
                      , text                    >= 1.2    && < 2.1
   ghc-options:         -Wall
@@ -67,7 +69,8 @@
   import:              common-options
   exposed-modules:     HsLua
                      , HsLua.Util
-  reexported-modules:  HsLua.Core
+  reexported-modules:  HsLua.Aeson
+                     , HsLua.Core
                      , HsLua.Core.Error
                      , HsLua.Core.Types
                      , HsLua.Core.Utf8
@@ -93,6 +96,13 @@
   other-modules:       HsLuaTests
                      , HsLua.UtilTests
   build-depends:       hslua
+                     -- The lua package is needed only to check for it's
+                     -- version so we know whether to expect behavior of
+                     -- Lua 5.3 or Lua 5.4.
+                     , lua                  >= 2.0
+                     , lua-arbitrary        >= 1.0
+                     , QuickCheck           >= 2.7
+                     , quickcheck-instances >= 0.3
                      , tasty-hslua
                      , tasty                >= 0.11
                      , tasty-hunit          >= 0.9
diff --git a/src/HsLua.hs b/src/HsLua.hs
--- a/src/HsLua.hs
+++ b/src/HsLua.hs
@@ -28,6 +28,8 @@
   , module HsLua.Class.Invokable
   , module HsLua.Class.Peekable
   , module HsLua.Class.Pushable
+    -- * Marshal to and from JSON-like structures
+  , module HsLua.Aeson
     -- * Utility functions
   , getglobal'
   , setglobal'
@@ -36,6 +38,7 @@
 
 import Prelude hiding (compare, concat)
 
+import HsLua.Aeson
 import HsLua.Core
 import HsLua.Class.Exposable
 import HsLua.Class.Invokable