diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index aab51a4..33eb96d 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -8,7 +8,7 @@ junit = "6.0.3"
 nmcp = "1.4.4"
 nullaway = "0.13.1"
 problem4j-core = "1.4.3"
-spotless = "8.3.0"
+spotless = "8.4.0"
 
 [plugins]
 errorprone = { id = "net.ltgt.errorprone", version.ref = "errorprone-plugin" }