diff --git a/backend/build.gradle.kts b/backend/build.gradle.kts
index 832e2263..3f17e572 100644
--- a/backend/build.gradle.kts
+++ b/backend/build.gradle.kts
@@ -22,7 +22,7 @@ kotlin {
             implementation("io.ktor:ktor-serialization-kotlinx-json:2.3.12")
             implementation("io.ktor:ktor-server-content-negotiation:2.3.12")
 
-            implementation("ch.qos.logback:logback-classic:1.5.8")
+            implementation("ch.qos.logback:logback-classic:1.5.15")
 
             implementation(projects.common)
         }
diff --git a/graphql-server/build.gradle.kts b/graphql-server/build.gradle.kts
index d88ed629..586d7d17 100644
--- a/graphql-server/build.gradle.kts
+++ b/graphql-server/build.gradle.kts
@@ -21,7 +21,7 @@ kotlin {
         implementation("org.jetbrains.kotlinx:kotlinx-datetime:0.6.1")
         implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.7.3")
 
-        implementation("ch.qos.logback:logback-classic:1.5.8")
+        implementation("ch.qos.logback:logback-classic:1.5.15")
 
         implementation(projects.common)
       }