diff --git a/apps/kafka-redis-messages/dd/calendar-producer-java-dd/build.gradle b/apps/kafka-redis-messages/dd/calendar-producer-java-dd/build.gradle
index 6735e1a..434f102 100644
--- a/apps/kafka-redis-messages/dd/calendar-producer-java-dd/build.gradle
+++ b/apps/kafka-redis-messages/dd/calendar-producer-java-dd/build.gradle
@@ -29,7 +29,7 @@ dependencies {
 
     implementation 'net.logstash.logback:logstash-logback-encoder:7.2'
     implementation 'ch.qos.logback:logback-classic:1.4.5'
-    implementation 'ch.qos.logback:logback-core:1.4.5'
+    implementation 'ch.qos.logback:logback-core:1.5.25'
     implementation 'org.slf4j:slf4j-api:2.0.6'
 
     // https://mvnrepository.com/artifact/org.apache.kafka/kafka-clients
diff --git a/apps/kafka-redis-messages/otel-api-with-dd/calendar-producer-java-otel/build.gradle b/apps/kafka-redis-messages/otel-api-with-dd/calendar-producer-java-otel/build.gradle
index 6d7cfde..9900f5a 100644
--- a/apps/kafka-redis-messages/otel-api-with-dd/calendar-producer-java-otel/build.gradle
+++ b/apps/kafka-redis-messages/otel-api-with-dd/calendar-producer-java-otel/build.gradle
@@ -29,7 +29,7 @@ dependencies {
 
     implementation 'net.logstash.logback:logstash-logback-encoder:7.2'
     implementation 'ch.qos.logback:logback-classic:1.4.5'
-    implementation 'ch.qos.logback:logback-core:1.4.5'
+    implementation 'ch.qos.logback:logback-core:1.5.25'
     implementation 'org.slf4j:slf4j-api:2.0.6'
 
     // https://mvnrepository.com/artifact/org.apache.kafka/kafka-clients
diff --git a/apps/kafka-redis-messages/otel/calendar-producer-java-otel/build.gradle b/apps/kafka-redis-messages/otel/calendar-producer-java-otel/build.gradle
index 7d9413b..bcb6113 100644
--- a/apps/kafka-redis-messages/otel/calendar-producer-java-otel/build.gradle
+++ b/apps/kafka-redis-messages/otel/calendar-producer-java-otel/build.gradle
@@ -29,7 +29,7 @@ dependencies {
 
     implementation 'net.logstash.logback:logstash-logback-encoder:7.2'
     implementation 'ch.qos.logback:logback-classic:1.4.5'
-    implementation 'ch.qos.logback:logback-core:1.4.5'
+    implementation 'ch.qos.logback:logback-core:1.5.25'
     implementation 'org.slf4j:slf4j-api:2.0.6'
 
     // https://mvnrepository.com/artifact/org.apache.kafka/kafka-clients
diff --git a/apps/rest-services/java/calendar/build.gradle b/apps/rest-services/java/calendar/build.gradle
index 9edb7bf..80f5cf0 100644
--- a/apps/rest-services/java/calendar/build.gradle
+++ b/apps/rest-services/java/calendar/build.gradle
@@ -23,7 +23,7 @@ dependencies {
     testImplementation 'org.springframework.boot:spring-boot-starter-test'
     implementation 'net.logstash.logback:logstash-logback-encoder:9.0'
     implementation 'ch.qos.logback:logback-classic:1.5.21'
-    implementation 'ch.qos.logback:logback-core:1.5.21'
+    implementation 'ch.qos.logback:logback-core:1.5.25'
     implementation 'org.slf4j:slf4j-api:2.0.17'
     runtimeOnly 'io.opentelemetry.instrumentation:opentelemetry-logback-appender-1.0:2.22.0-alpha'
     implementation 'io.opentelemetry:opentelemetry-api:1.57.0'
diff --git a/apps/span-links/otel/words-producer-java-otel/build.gradle b/apps/span-links/otel/words-producer-java-otel/build.gradle
index a2106d2..fb25365 100644
--- a/apps/span-links/otel/words-producer-java-otel/build.gradle
+++ b/apps/span-links/otel/words-producer-java-otel/build.gradle
@@ -26,7 +26,7 @@ dependencies {
 
     implementation 'net.logstash.logback:logstash-logback-encoder:7.2'
     implementation 'ch.qos.logback:logback-classic:1.4.5'
-    implementation 'ch.qos.logback:logback-core:1.4.5'
+    implementation 'ch.qos.logback:logback-core:1.5.25'
     implementation 'org.slf4j:slf4j-api:2.0.6'
 
     // https://mvnrepository.com/artifact/org.apache.kafka/kafka-clients
diff --git a/apps/w3c-trace-context/java/calendar/build.gradle b/apps/w3c-trace-context/java/calendar/build.gradle
index e5e29ec..f675f0a 100644
--- a/apps/w3c-trace-context/java/calendar/build.gradle
+++ b/apps/w3c-trace-context/java/calendar/build.gradle
@@ -24,7 +24,7 @@ dependencies {
     testImplementation 'org.springframework.boot:spring-boot-starter-test'
     implementation 'net.logstash.logback:logstash-logback-encoder:7.2'
     implementation 'ch.qos.logback:logback-classic:1.4.5'
-    implementation 'ch.qos.logback:logback-core:1.4.5'
+    implementation 'ch.qos.logback:logback-core:1.5.25'
     implementation 'org.slf4j:slf4j-api:2.0.6'