diff --git a/build.gradle.kts b/build.gradle.kts
index 7e20695..5e6893e 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -37,7 +37,7 @@ subprojects {
         "annotationProcessor"("org.seasar.doma:doma-processor:${domaVersion}")
         "implementation"("org.seasar.doma:doma-core:${domaVersion}")
         "implementation"("org.seasar.doma:doma-slf4j:${domaVersion}")
-        "runtimeOnly"("ch.qos.logback:logback-classic:1.2.11")
+        "runtimeOnly"("ch.qos.logback:logback-classic:1.4.8")
         "runtimeOnly"("com.h2database:h2:2.2.220")
         "testImplementation"("org.junit.jupiter:junit-jupiter-api:5.9.3")
         "testRuntimeOnly"("org.junit.jupiter:junit-jupiter-engine:5.9.3")