diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 5092bde..1456639 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -3,7 +3,7 @@ kotlin = "2.4.20"
 autoservice = "0.1.5"
 ktfmt = "0.27.0"
 mavenPublish = "0.37.0"
-pluginPublish = "2.2.0"
+pluginPublish = "2.2.1"
 dokka = "2.2.0"
 
 # 以下は単一情報源から導出される版であり、手で選ばない。