diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,8 +1,12 @@
-## [*Unreleased*](https://github.com/freckle/bcp47/compare/bcp47-v0.2.0.0...master)
+## [*Unreleased*](https://github.com/freckle/bcp47/compare/bcp47-v0.2.0.1...main)
 
 None
 
-## [v0.2.1.0](https://github.com/freckle/bcp47/compare/bcp47-v0.1.0.0...bcp47-v0.2.0.0)
+## [v0.2.0.1](https://github.com/freckle/bcp47/compare/bcp47-v0.2.0.0...bcp47-v0.2.0.1)
+
+- Relax bounds
+
+## [v0.2.0.0](https://github.com/freckle/bcp47/compare/v0.1.0.0...bcp47-v0.2.0.0)
 
 - Add `mapMaybe` for `Trie` [#16](https://github.com/freckle/bcp47/pull/16)
 - Make `Trie` a non-empty data type [#11](https://github.com/freckle/bcp47/pull/11)
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:            0.2.0.0
+version:            0.2.0.1
 license:            MIT
 license-file:       LICENSE
 copyright:          2019 Freckle Education
@@ -60,15 +60,15 @@
     other-modules:    Paths_bcp47
     default-language: Haskell2010
     build-depends:
-        QuickCheck >=2.13.2 && <2.14,
-        aeson >=1.4.7.1 && <1.5,
+        QuickCheck >=2.14.2 && <2.15,
+        aeson >=1.5.5.1 && <1.6,
         base >=4.7 && <5,
         containers >=0.6.2.1 && <0.7,
         country >=0.2.1 && <0.3,
         generic-arbitrary >=0.1.0 && <0.2,
         iso639 >=0.1.0.3 && <0.2,
-        megaparsec >=8.0.0 && <8.1,
-        text >=1.2.4.0 && <1.3
+        megaparsec >=9.0.1 && <10.0,
+        text >=1.2.4.1 && <1.3
 
 test-suite doctest
     type:             exitcode-stdio-1.0
@@ -91,12 +91,12 @@
 
     default-language: Haskell2010
     build-depends:
-        QuickCheck >=2.13.2 && <2.14,
-        aeson >=1.4.7.1 && <1.5,
+        QuickCheck >=2.14.2 && <2.15,
+        aeson >=1.5.5.1 && <1.6,
         base >=4.7 && <5,
         bcp47 -any,
         containers >=0.6.2.1 && <0.7,
         country >=0.2.1 && <0.3,
-        hspec >=2.7.4 && <2.8,
+        hspec >=2.7.8 && <2.8,
         iso639 >=0.1.0.3 && <0.2,
-        text >=1.2.4.0 && <1.3
+        text >=1.2.4.1 && <1.3