diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 All notable changes to the LaunchDarkly Haskell Server-side SDK will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org).
 
+## [2.1.1] - 2021-03-05
+### Changed:
+- Updated dependency ranges. Thanks @dbaynard !
+
 ## [2.1.0] - 2021-02-04
 ### Added:
 - Added the `alias` function. This can be used to associate two user objects for analytics purposes by generating an alias event.
diff --git a/launchdarkly-server-sdk.cabal b/launchdarkly-server-sdk.cabal
--- a/launchdarkly-server-sdk.cabal
+++ b/launchdarkly-server-sdk.cabal
@@ -4,10 +4,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 3d67aab3aa6aedf0c1a1f7e272f48d33110b90dc4237a50793cb8ce5885b4bbc
+-- hash: 9c49985b1be9e7892247a17dc58bd99868a99a2c360b9a1f81726b633e62f008
 
 name:           launchdarkly-server-sdk
-version:        2.1.0
+version:        2.1.1
 synopsis:       Server-side SDK for integrating with LaunchDarkly
 description:    Please see the README on GitHub at <https://github.com/launchdarkly/haskell-server-sdk#readme>
 category:       Web
@@ -58,7 +58,7 @@
       aeson >=1.4.4.0 && <1.6
     , attoparsec >=0.13.2.2 && <0.14
     , base >=4.7 && <5
-    , base16-bytestring >=0.1.1.6 && <0.2
+    , base16-bytestring >=0.1.1.6 && <1.1
     , bytestring >=0.10.8.2 && <0.11
     , bytestring-conversion >=0.3.1 && <0.4
     , clock ==0.8.*
@@ -66,9 +66,9 @@
     , cryptohash >=0.11.9 && <0.12
     , exceptions >=0.10.2 && <0.11
     , extra >=1.6.17 && <1.8
-    , generic-lens >=1.1.0.0 && <2.1
+    , generic-lens >=1.1.0.0 && <2.2
     , hashtables >=1.2.3.4 && <1.3
-    , hedis >=0.12.7 && <0.13
+    , hedis >=0.12.7 && <0.15
     , http-client >=0.6.4 && <0.8
     , http-client-tls >=0.3.5.3 && <0.4
     , http-types >=0.12.3 && <0.13
@@ -81,7 +81,7 @@
     , random >=1.1 && <1.3
     , retry >=0.8.0.1 && <0.9
     , scientific >=0.3.6.2 && <0.4
-    , semver >=0.3.4 && <0.4
+    , semver >=0.3.4 && <0.5
     , text >=1.2.3.1 && <1.3
     , time >=1.8.0.2 && <1.11
     , unordered-containers >=0.2.10.0 && <0.3
@@ -135,7 +135,7 @@
     , aeson >=1.4.4.0 && <1.6
     , attoparsec >=0.13.2.2 && <0.14
     , base >=4.7 && <5
-    , base16-bytestring >=0.1.1.6 && <0.2
+    , base16-bytestring >=0.1.1.6 && <1.1
     , bytestring >=0.10.8.2 && <0.11
     , bytestring-conversion >=0.3.1 && <0.4
     , clock ==0.8.*
@@ -143,9 +143,9 @@
     , cryptohash >=0.11.9 && <0.12
     , exceptions >=0.10.2 && <0.11
     , extra >=1.6.17 && <1.8
-    , generic-lens >=1.1.0.0 && <2.1
+    , generic-lens >=1.1.0.0 && <2.2
     , hashtables >=1.2.3.4 && <1.3
-    , hedis >=0.12.7 && <0.13
+    , hedis >=0.12.7 && <0.15
     , http-client >=0.6.4 && <0.8
     , http-client-tls >=0.3.5.3 && <0.4
     , http-types >=0.12.3 && <0.13
@@ -158,7 +158,7 @@
     , random >=1.1 && <1.3
     , retry >=0.8.0.1 && <0.9
     , scientific >=0.3.6.2 && <0.4
-    , semver >=0.3.4 && <0.4
+    , semver >=0.3.4 && <0.5
     , text >=1.2.3.1 && <1.3
     , time >=1.8.0.2 && <1.11
     , unordered-containers >=0.2.10.0 && <0.3
diff --git a/src/LaunchDarkly/Server/Client/Internal.hs b/src/LaunchDarkly/Server/Client/Internal.hs
--- a/src/LaunchDarkly/Server/Client/Internal.hs
+++ b/src/LaunchDarkly/Server/Client/Internal.hs
@@ -25,7 +25,7 @@
 
 -- | The version string for this library.
 clientVersion :: Text
-clientVersion = "2.1.0"
+clientVersion = "2.1.1"
 
 -- | The status of the client initialization.
 data Status
