diff --git a/ocpp-common/build.gradle b/ocpp-common/build.gradle
index b2b08469..92d3ca9b 100644
--- a/ocpp-common/build.gradle
+++ b/ocpp-common/build.gradle
@@ -4,7 +4,7 @@
 
 dependencies {
     compile 'org.slf4j:slf4j-api:2.0.17'
-    compile 'ch.qos.logback:logback-classic:1.3.16'
+    compile 'ch.qos.logback:logback-classic:1.5.22'
     compile group: 'javax.xml.bind', name: 'jaxb-api', version: '2.3.1'
 
     testCompile 'junit:junit:4.13.2'
diff --git a/ocpp-v1_6-test/build.gradle b/ocpp-v1_6-test/build.gradle
index 911210bd..ca0c5ee6 100644
--- a/ocpp-v1_6-test/build.gradle
+++ b/ocpp-v1_6-test/build.gradle
@@ -14,8 +14,8 @@ dependencies {
     testCompile 'org.codehaus.groovy:groovy-all:3.0.25'
     testCompile 'org.spockframework:spock-core:2.3-groovy-3.0'
     testCompile 'org.hamcrest:hamcrest-core:3.0'
-    testCompile 'ch.qos.logback:logback-core:1.3.16'
-    testCompile 'ch.qos.logback:logback-classic:1.3.16'
+    testCompile 'ch.qos.logback:logback-core:1.5.22'
+    testCompile 'ch.qos.logback:logback-classic:1.5.22'
     testCompile 'org.slf4j:jul-to-slf4j:2.0.17'
 }