diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 5b4ad8a..805a715 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -18,7 +18,7 @@ pkl = "0.31.1"
 # https://central.sonatype.com/artifact/org.springframework.boot/spring-boot/dependencies
 spring = "7.0.7"
 # https://central.sonatype.com/artifact/org.springframework.boot/spring-boot/versions
-springBoot = "3.5.6"
+springBoot = "4.0.5"
 # https://central.sonatype.com/artifact/com.github.spotbugs/spotbugs-annotations/versions
 spotbugsAnnotations = "4.9.8"
 # https://github.com/diffplug/spotless/releases