diff --git a/dependencies/build.gradle b/dependencies/build.gradle
index 594dbbd4..9cf1121c 100644
--- a/dependencies/build.gradle
+++ b/dependencies/build.gradle
@@ -23,7 +23,7 @@ dependencies {
 		api "com.querydsl:querydsl-apt:$queryDslVersion"
 		api "commons-pool:commons-pool:1.6"
 		api "org.apache.commons:commons-pool2:2.4.2"
-		api "ch.qos.logback:logback-classic:1.2.6"
+		api "ch.qos.logback:logback-classic:1.2.11"
 		api "com.google.code.typica:typica:1.7.2"
 		api "com.unboundid:unboundid-ldapsdk:6.0.3"
 		api "commons-codec:commons-codec:1.15"
diff --git a/samples/odm/build.gradle b/samples/odm/build.gradle
index abf88c88..a98092d6 100644
--- a/samples/odm/build.gradle
+++ b/samples/odm/build.gradle
@@ -15,7 +15,7 @@ dependencies {
 
     compileOnly "javax.servlet:servlet-api:2.5"
 
-    runtimeOnly 'ch.qos.logback:logback-classic:1.0.13'
+    runtimeOnly 'ch.qos.logback:logback-classic'
 
     testImplementation "com.unboundid:unboundid-ldapsdk"
     testImplementation platform('org.junit:junit-bom')
diff --git a/samples/plain/build.gradle b/samples/plain/build.gradle
index abf88c88..a98092d6 100644
--- a/samples/plain/build.gradle
+++ b/samples/plain/build.gradle
@@ -15,7 +15,7 @@ dependencies {
 
     compileOnly "javax.servlet:servlet-api:2.5"
 
-    runtimeOnly 'ch.qos.logback:logback-classic:1.0.13'
+    runtimeOnly 'ch.qos.logback:logback-classic'
 
     testImplementation "com.unboundid:unboundid-ldapsdk"
     testImplementation platform('org.junit:junit-bom')
diff --git a/samples/user-admin/build.gradle b/samples/user-admin/build.gradle
index 73fa74e3..cc35fdb1 100644
--- a/samples/user-admin/build.gradle
+++ b/samples/user-admin/build.gradle
@@ -15,7 +15,7 @@ dependencies {
     compileOnly "javax.servlet:javax.servlet-api:3.0.1",
             'javax.servlet.jsp:jsp-api:2.1'
 
-    runtimeOnly 'ch.qos.logback:logback-classic:1.0.13'
+    runtimeOnly 'ch.qos.logback:logback-classic:1.2.11'
 
     testImplementation "org.springframework:spring-test",
                 "junit:junit"