diff --git a/CHANGELOG.md b/CHANGELOG.md
index b0d51d0..0d8d998 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,11 @@
-## [*Unreleased*](https://github.com/thoughtbot/yesod-auth-oauth2/compare/v0.6.2.0...master)
+## [*Unreleased*](https://github.com/thoughtbot/yesod-auth-oauth2/compare/v0.6.2.1...master)
 
 None
 
+## [v0.6.2.1](https://github.com/thoughtbot/yesod-auth-oauth2/compare/v0.6.2.0...v0.6.2.1)
+
+- Adjust lower bounds on cryptonite
+
 ## [v0.6.2.0](https://github.com/thoughtbot/yesod-auth-oauth2/compare/v0.6.1.7...v0.6.2.0)
 
 - Filter `+` from `state` tokens
diff --git a/package.yaml b/package.yaml
index 7545b7c..6f0187a 100644
--- a/package.yaml
+++ b/package.yaml
@@ -1,6 +1,6 @@
 ---
 name: yesod-auth-oauth2
-version: '0.6.2.0'  # N.B. PVP-compliant Semver: 0.MAJOR.MINOR.PATCH
+version: '0.6.2.1'  # N.B. PVP-compliant Semver: 0.MAJOR.MINOR.PATCH
 synopsis: OAuth 2.0 authentication plugins
 description: Library to authenticate with OAuth 2.0 for Yesod web applications.
 category: Web