diff --git a/project/sonatype.sbt b/project/sonatype.sbt
index 53c7e6d..e66070b 100644
--- a/project/sonatype.sbt
+++ b/project/sonatype.sbt
@@ -1,4 +1,4 @@
 // https://github.com/xerial/sbt-sonatype
 addSbtPlugin("org.xerial.sbt" % "sbt-sonatype" % "3.9.21")
 // http://www.scala-sbt.org/sbt-pgp/
-addSbtPlugin("com.github.sbt" % "sbt-pgp" % "2.2.1")
+addSbtPlugin("com.github.sbt" % "sbt-pgp" % "2.3.1")