diff --git a/build.sbt b/build.sbt
index a86af56..394c5d2 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,6 +1,6 @@
 lazy val akkaHttpVersion = "10.2.9"
 lazy val akkaVersion     = "2.6.19"
-lazy val oauth2Version   = "0.1.20"
+lazy val oauth2Version   = "0.1.21"
 
 ThisBuild / dynverVTagPrefix := false