diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,6 +1,10 @@
-## [*Unreleased*](https://github.com/freckle/bcp47/compare/bcp47-v0.2.0.5...main)
+## [*Unreleased*](https://github.com/freckle/bcp47/compare/bcp47-v0.2.0.6...main)
 
 None
+
+## [v0.2.0.6](https://github.com/freckle/bcp47/compare/bcp47-v0.2.0.5...bcp47-v0.2.0.6)
+
+- Support GHCs 9.0 and 9.2
 
 ## [v0.2.0.5](https://github.com/freckle/bcp47/compare/bcp47-v0.2.0.4...bcp47-v0.2.0.5)
 
diff --git a/bcp47.cabal b/bcp47.cabal
--- a/bcp47.cabal
+++ b/bcp47.cabal
@@ -1,6 +1,6 @@
 cabal-version:      1.12
 name:               bcp47
-version:            0.2.0.5
+version:            0.2.0.6
 license:            MIT
 license-file:       LICENSE
 copyright:          2019 Freckle Education
@@ -60,15 +60,15 @@
     other-modules:    Paths_bcp47
     default-language: Haskell2010
     build-depends:
-        QuickCheck >=2.14.2,
-        aeson >=1.5.5.1,
+        QuickCheck >=2.11.3,
+        aeson >=1.3.1.1,
         base >=4.7 && <5,
-        containers >=0.6.2.1,
-        country >=0.2.1,
+        containers >=0.5.11.0,
+        country >=0.1.6,
         generic-arbitrary >=0.1.0,
         iso639 >=0.1.0.3,
-        megaparsec >=9.0.1,
-        text >=1.2.4.1
+        megaparsec >=7.0.4,
+        text >=1.2.3.1
 
 test-suite doctest
     type:             exitcode-stdio-1.0
@@ -78,7 +78,7 @@
     default-language: Haskell2010
     build-depends:
         base >=4.7 && <5,
-        doctest >=0.16.3
+        doctest >=0.16.0.1
 
 test-suite spec
     type:             exitcode-stdio-1.0
@@ -91,12 +91,12 @@
 
     default-language: Haskell2010
     build-depends:
-        QuickCheck >=2.14.2,
-        aeson >=1.5.5.1,
+        QuickCheck >=2.11.3,
+        aeson >=1.3.1.1,
         base >=4.7 && <5,
         bcp47 -any,
-        containers >=0.6.2.1,
-        country >=0.2.1,
-        hspec >=2.7.8,
+        containers >=0.5.11.0,
+        country >=0.1.6,
+        hspec >=2.5.5,
         iso639 >=0.1.0.3,
-        text >=1.2.4.1
+        text >=1.2.3.1
diff --git a/tests/Data/BCP47/TrieSpec.hs b/tests/Data/BCP47/TrieSpec.hs
--- a/tests/Data/BCP47/TrieSpec.hs
+++ b/tests/Data/BCP47/TrieSpec.hs
@@ -1,4 +1,5 @@
 {-# LANGUAGE TypeApplications #-}
+{-# OPTIONS_GHC -Wno-incomplete-uni-patterns #-}
 
 module Data.BCP47.TrieSpec
   ( spec