diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 ## Changelog for Weeder
 
+### [`2.1.1`][v2.1.1] - *2020-09-09*
+
+- Support Dhall 1.34
+- Support optparse-applicative 0.16.0.0
+
 ### [`2.1.0`][v2.1.0] - *2020-06-30*
 
 - Support regex-tdfa ^>= 1.2 (#13)
diff --git a/weeder.cabal b/weeder.cabal
--- a/weeder.cabal
+++ b/weeder.cabal
@@ -5,7 +5,7 @@
 author:        Ollie Charles <ollie@ocharles.org.uk>
 maintainer:    Ollie Charles <ollie@ocharles.org.uk>
 build-type:    Simple
-version:       2.1.0
+version:       2.1.1
 copyright:     Neil Mitchell 2017-2020, Oliver Charles 2020
 synopsis:      Detect dead code
 description:   Find declarations.
@@ -22,14 +22,14 @@
     , base                 ^>= 4.13.0.0 || ^>= 4.14.0.0
     , bytestring           ^>= 0.10.9.0
     , containers           ^>= 0.6.2.1
-    , dhall                ^>= 1.30.0 || ^>= 1.31.0 || ^>= 1.32.0 || ^>= 1.33.0
+    , dhall                ^>= 1.30.0 || ^>= 1.31.0 || ^>= 1.32.0 || ^>= 1.33.0 || ^>= 1.34.0
     , directory            ^>= 1.3.3.2
     , filepath             ^>= 1.4.2.1
     , generic-lens         ^>= 1.1.0.0 || ^>= 1.2.0.0 || ^>= 2.0.0.0
     , ghc                  ^>= 8.8.1 || ^>= 8.10
     , lens                 ^>= 4.18.1 || ^>= 4.19
     , mtl                  ^>= 2.2.2
-    , optparse-applicative ^>= 0.14.3.0 || ^>= 0.15.1.0
+    , optparse-applicative ^>= 0.14.3.0 || ^>= 0.15.1.0 || ^>= 0.16.0.0
     , regex-tdfa           ^>= 1.2.0.0 || ^>= 1.3.1.0
     , text                 ^>= 1.2.3.0
     , transformers         ^>= 0.5.6.2
