diff --git a/dependencies.gradle b/dependencies.gradle
index 62d7e5b5a2e..a46462c520b 100644
--- a/dependencies.gradle
+++ b/dependencies.gradle
@@ -47,8 +47,8 @@ dependencies {
     implementation 'org.apache.geronimo.components:geronimo-transaction:3.1.5' // 4.0.0 does not compile
     implementation 'org.apache.geronimo.specs:geronimo-jms_1.1_spec:1.1.1'
     implementation 'org.apache.httpcomponents:httpclient-cache:4.5.14'
-    implementation 'org.apache.logging.log4j:log4j-api:2.25.4' // the API of log4j 2
-    implementation 'org.apache.logging.log4j:log4j-core:2.25.4' // Somehow needed by Buildbot to compile OFBizDynamicThresholdFilter.java
+    implementation 'org.apache.logging.log4j:log4j-api:2.26.0' // the API of log4j 2
+    implementation 'org.apache.logging.log4j:log4j-core:2.26.0' // Somehow needed by Buildbot to compile OFBizDynamicThresholdFilter.java
     implementation 'org.apache.poi:poi:5.5.1'
     implementation 'org.apache.pdfbox:pdfbox:3.0.7'
     implementation 'org.apache.pdfbox:pdfbox-io:3.0.7'
@@ -100,11 +100,11 @@ dependencies {
     runtimeOnly 'org.apache.derby:derby:10.16.1.1' // 10.17.x.x requires Java 21
     runtimeOnly 'org.apache.derby:derbytools:10.16.1.1' // 10.17.x.x requires Java 21
     runtimeOnly 'org.apache.geronimo.specs:geronimo-jaxrpc_1.1_spec:2.1'
-    runtimeOnly 'org.apache.logging.log4j:log4j-1.2-api:2.25.4' // for external jars using the old log4j1.2: routes logging to log4j 2
-    runtimeOnly 'org.apache.logging.log4j:log4j-jul:2.25.4' // for external jars using the java.util.logging: routes logging to log4j 2
-    runtimeOnly 'org.apache.logging.log4j:log4j-slf4j-impl:2.25.4' // for external jars using slf4j: routes logging to log4j 2
-    runtimeOnly 'org.apache.logging.log4j:log4j-web:2.25.4' //???
-    runtimeOnly 'org.apache.logging.log4j:log4j-jcl:2.25.4' // need to constrain to version to avoid classpath conflict (ReflectionUtil)
+    runtimeOnly 'org.apache.logging.log4j:log4j-1.2-api:2.26.0' // for external jars using the old log4j1.2: routes logging to log4j 2
+    runtimeOnly 'org.apache.logging.log4j:log4j-jul:2.26.0' // for external jars using the java.util.logging: routes logging to log4j 2
+    runtimeOnly 'org.apache.logging.log4j:log4j-slf4j-impl:2.26.0' // for external jars using slf4j: routes logging to log4j 2
+    runtimeOnly 'org.apache.logging.log4j:log4j-web:2.26.0' //???
+    runtimeOnly 'org.apache.logging.log4j:log4j-jcl:2.26.0' // need to constrain to version to avoid classpath conflict (ReflectionUtil)
 
     // specify last codenarc version for java 17 compliance
     codenarc('org.codenarc:CodeNarc:3.7.0-groovy-4.0')