diff --git a/chat/build.gradle b/chat/build.gradle
index 4bceea5e..00070b55 100644
--- a/chat/build.gradle
+++ b/chat/build.gradle
@@ -43,7 +43,7 @@ kotlin {
                 implementation "io.ktor:ktor-server-call-logging"
                 implementation "io.ktor:ktor-server-default-headers"
                 implementation "io.ktor:ktor-server-sessions"
-                implementation "ch.qos.logback:logback-classic:1.5.12"
+                implementation "ch.qos.logback:logback-classic:1.5.16"
             }
         }
 
diff --git a/client-multipart/build.gradle b/client-multipart/build.gradle
index 0ae48b4d..385efa60 100644
--- a/client-multipart/build.gradle
+++ b/client-multipart/build.gradle
@@ -29,7 +29,7 @@ repositories {
 dependencies {
     implementation 'org.jetbrains.kotlin:kotlin-stdlib-jdk8:2.0.20'
     implementation "io.ktor:ktor-server-html-builder"
-    implementation 'ch.qos.logback:logback-classic:1.5.12'
+    implementation 'ch.qos.logback:logback-classic:1.5.16'
     implementation 'io.ktor:ktor-server-netty-jvm'
     implementation 'io.ktor:ktor-client-cio-jvm'
 }
diff --git a/client-tools/build.gradle b/client-tools/build.gradle
index b6f52c9b..f8dc2a6a 100644
--- a/client-tools/build.gradle
+++ b/client-tools/build.gradle
@@ -29,7 +29,7 @@ repositories {
 dependencies {
     implementation 'org.jetbrains.kotlin:kotlin-stdlib-jdk8:2.0.20'
     implementation "io.ktor:ktor-server-html-builder"
-    implementation 'ch.qos.logback:logback-classic:1.5.12'
+    implementation 'ch.qos.logback:logback-classic:1.5.16'
     implementation 'io.ktor:ktor-server-netty-jvm'
     implementation 'io.ktor:ktor-client-cio-jvm'
 }
diff --git a/di-kodein/gradle.properties b/di-kodein/gradle.properties
index e018114d..9e24b4af 100644
--- a/di-kodein/gradle.properties
+++ b/di-kodein/gradle.properties
@@ -1,3 +1,3 @@
 kotlin_version=2.0.20
-logback_version=1.3.14
+logback_version=1.5.16
 kotlin.code.style=official
diff --git a/filelisting/gradle.properties b/filelisting/gradle.properties
index e018114d..9e24b4af 100644
--- a/filelisting/gradle.properties
+++ b/filelisting/gradle.properties
@@ -1,3 +1,3 @@
 kotlin_version=2.0.20
-logback_version=1.3.14
+logback_version=1.5.16
 kotlin.code.style=official
diff --git a/fullstack-mpp/build.gradle.kts b/fullstack-mpp/build.gradle.kts
index 38544600..43d4efdd 100644
--- a/fullstack-mpp/build.gradle.kts
+++ b/fullstack-mpp/build.gradle.kts
@@ -43,7 +43,7 @@ kotlin {
                 implementation("io.ktor:ktor-server-netty")
                 implementation("io.ktor:ktor-server-html-builder")
                 implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
-                implementation("ch.qos.logback:logback-classic:1.5.12")
+                implementation("ch.qos.logback:logback-classic:1.5.16")
             }
         }
         val backendTest by getting {
diff --git a/graalvm/build.gradle.kts b/graalvm/build.gradle.kts
index fb9dad8a..ba4de783 100644
--- a/graalvm/build.gradle.kts
+++ b/graalvm/build.gradle.kts
@@ -16,7 +16,7 @@ repositories {
 }
 
 dependencies {
-    implementation("ch.qos.logback:logback-classic:1.5.12")
+    implementation("ch.qos.logback:logback-classic:1.5.16")
     implementation("io.ktor:ktor-server-core-jvm")
     implementation("io.ktor:ktor-server-cio-jvm")
 
diff --git a/h2/gradle.properties b/h2/gradle.properties
index e018114d..9e24b4af 100644
--- a/h2/gradle.properties
+++ b/h2/gradle.properties
@@ -1,3 +1,3 @@
 kotlin_version=2.0.20
-logback_version=1.3.14
+logback_version=1.5.16
 kotlin.code.style=official
diff --git a/httpbin/gradle.properties b/httpbin/gradle.properties
index a725dae7..1d296244 100644
--- a/httpbin/gradle.properties
+++ b/httpbin/gradle.properties
@@ -1,5 +1,5 @@
 kotlin_version=2.0.20
-logback_version=1.3.14
+logback_version=1.5.16
 kotlin.code.style=official
 
 org.gradle.jvmargs=-Xmx2g -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
diff --git a/jwt-auth-tests/build.gradle.kts b/jwt-auth-tests/build.gradle.kts
index ce9da638..101407c4 100644
--- a/jwt-auth-tests/build.gradle.kts
+++ b/jwt-auth-tests/build.gradle.kts
@@ -19,7 +19,7 @@ dependencies {
     implementation("io.ktor:ktor-server-auth-jwt")
     implementation("io.ktor:ktor-server-content-negotiation")
     implementation("io.ktor:ktor-serialization-kotlinx-json")
-    implementation("ch.qos.logback:logback-classic:1.5.12")
+    implementation("ch.qos.logback:logback-classic:1.5.16")
     testImplementation("io.ktor:ktor-server-test-host")
     testImplementation(kotlin("test"))
 }
diff --git a/kweet/gradle.properties b/kweet/gradle.properties
index 02b2147a..98c5b1e1 100644
--- a/kweet/gradle.properties
+++ b/kweet/gradle.properties
@@ -1,4 +1,4 @@
 kotlin_version=2.0.20
-logback_version=1.3.14
+logback_version=1.5.16
 exposed_version=0.40.1
 kotlin.code.style=official
diff --git a/location-header/gradle.properties b/location-header/gradle.properties
index e018114d..9e24b4af 100644
--- a/location-header/gradle.properties
+++ b/location-header/gradle.properties
@@ -1,3 +1,3 @@
 kotlin_version=2.0.20
-logback_version=1.3.14
+logback_version=1.5.16
 kotlin.code.style=official
diff --git a/mongodb/gradle.properties b/mongodb/gradle.properties
index 92fcb6fa..36b09de0 100644
--- a/mongodb/gradle.properties
+++ b/mongodb/gradle.properties
@@ -1,4 +1,4 @@
 kotlin_version=2.0.20
-logback_version=1.3.14
+logback_version=1.5.16
 mongodb_version=4.8.0
 kotlin.code.style=official
diff --git a/mvc-web/gradle.properties b/mvc-web/gradle.properties
index 78d7aac2..55ba6e19 100644
--- a/mvc-web/gradle.properties
+++ b/mvc-web/gradle.properties
@@ -1,5 +1,5 @@
 kotlin_version=2.0.20
-logback_version=1.4.11
+logback_version=1.5.16
 exposed_version=0.41.1
 h2_version=2.1.214
 kotlin.code.style=official
diff --git a/native-image-server-with-yaml-config/gradle.properties b/native-image-server-with-yaml-config/gradle.properties
index 06c752af..b7e30f88 100644
--- a/native-image-server-with-yaml-config/gradle.properties
+++ b/native-image-server-with-yaml-config/gradle.properties
@@ -1,4 +1,4 @@
 kotlin.code.style=official
 ktor_version=3.0.3
 kotlin_version=2.0.10
-logback_version=1.4.14
+logback_version=1.5.16
diff --git a/opentelemetry/gradle.properties b/opentelemetry/gradle.properties
index bbafc0a6..96e13adc 100644
--- a/opentelemetry/gradle.properties
+++ b/opentelemetry/gradle.properties
@@ -1,6 +1,6 @@
 ktor_version=3.0.3
 kotlin_version=2.0.20
-logback_version=1.5.12
+logback_version=1.5.16
 kotlin.code.style=official
 
 opentelemetry_version=2.10.0
diff --git a/postgres/gradle.properties b/postgres/gradle.properties
index e018114d..9e24b4af 100644
--- a/postgres/gradle.properties
+++ b/postgres/gradle.properties
@@ -1,3 +1,3 @@
 kotlin_version=2.0.20
-logback_version=1.3.14
+logback_version=1.5.16
 kotlin.code.style=official
diff --git a/redirect-with-exception/gradle.properties b/redirect-with-exception/gradle.properties
index e018114d..9e24b4af 100644
--- a/redirect-with-exception/gradle.properties
+++ b/redirect-with-exception/gradle.properties
@@ -1,3 +1,3 @@
 kotlin_version=2.0.20
-logback_version=1.3.14
+logback_version=1.5.16
 kotlin.code.style=official
diff --git a/reverse-proxy-ws/gradle.properties b/reverse-proxy-ws/gradle.properties
index e018114d..9e24b4af 100644
--- a/reverse-proxy-ws/gradle.properties
+++ b/reverse-proxy-ws/gradle.properties
@@ -1,3 +1,3 @@
 kotlin_version=2.0.20
-logback_version=1.3.14
+logback_version=1.5.16
 kotlin.code.style=official
diff --git a/reverse-proxy/gradle.properties b/reverse-proxy/gradle.properties
index e018114d..9e24b4af 100644
--- a/reverse-proxy/gradle.properties
+++ b/reverse-proxy/gradle.properties
@@ -1,3 +1,3 @@
 kotlin_version=2.0.20
-logback_version=1.3.14
+logback_version=1.5.16
 kotlin.code.style=official
diff --git a/rx/gradle.properties b/rx/gradle.properties
index e018114d..9e24b4af 100644
--- a/rx/gradle.properties
+++ b/rx/gradle.properties
@@ -1,3 +1,3 @@
 kotlin_version=2.0.20
-logback_version=1.3.14
+logback_version=1.5.16
 kotlin.code.style=official
diff --git a/sse/gradle.properties b/sse/gradle.properties
index e018114d..9e24b4af 100644
--- a/sse/gradle.properties
+++ b/sse/gradle.properties
@@ -1,3 +1,3 @@
 kotlin_version=2.0.20
-logback_version=1.3.14
+logback_version=1.5.16
 kotlin.code.style=official
diff --git a/structured-logging/gradle.properties b/structured-logging/gradle.properties
index e018114d..9e24b4af 100644
--- a/structured-logging/gradle.properties
+++ b/structured-logging/gradle.properties
@@ -1,3 +1,3 @@
 kotlin_version=2.0.20
-logback_version=1.3.14
+logback_version=1.5.16
 kotlin.code.style=official
diff --git a/version-diff/gradle.properties b/version-diff/gradle.properties
index e018114d..9e24b4af 100644
--- a/version-diff/gradle.properties
+++ b/version-diff/gradle.properties
@@ -1,3 +1,3 @@
 kotlin_version=2.0.20
-logback_version=1.3.14
+logback_version=1.5.16
 kotlin.code.style=official
diff --git a/youkube/gradle.properties b/youkube/gradle.properties
index e018114d..9e24b4af 100644
--- a/youkube/gradle.properties
+++ b/youkube/gradle.properties
@@ -1,3 +1,3 @@
 kotlin_version=2.0.20
-logback_version=1.3.14
+logback_version=1.5.16
 kotlin.code.style=official