diff --git a/build.gradle b/build.gradle
index e3964f7cb7..4495ab695f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -153,7 +153,7 @@ subprojects {
         all {
             resolutionStrategy {
                 force "commons-io:commons-io:${commonsIoVersion}"
-                force 'org.slf4j:slf4j-api:2.0.13'
+                force 'org.slf4j:slf4j-api:2.0.14'
                 force 'com.fasterxml.woodstox:woodstox-core:7.0.0'
             }
         }
diff --git a/build.xml b/build.xml
index c36822515e..872f1eeec8 100644
--- a/build.xml
+++ b/build.xml
@@ -340,7 +340,7 @@ under the License.
     <dependency prefix="ooxml.test.reflections" artifact="org.reflections:reflections:0.10.2" usage="ooxml-tests"/>
     <dependency prefix="ooxml.test.guava" artifact="com.google.guava:guava:33.2.1-jre" usage="ooxml-tests"/>
     <dependency prefix="ooxml.test.javassist" artifact="org.javassist:javassist:3.27.0-GA" usage="ooxml-tests"/>
-    <dependency prefix="ooxml.test.slf4j-api" artifact="org.slf4j:slf4j-api:2.0.13" usage="ooxml-tests"/>
+    <dependency prefix="ooxml.test.slf4j-api" artifact="org.slf4j:slf4j-api:2.0.14" usage="ooxml-tests"/>
     <dependency prefix="ooxml.test.opczip" artifact="com.github.rzymek:opczip:1.2.0" usage="ooxml-tests"/>
 
     <!-- coverage libs -->
diff --git a/poi-excelant/build.gradle b/poi-excelant/build.gradle
index 353e6928a8..8f4a33bd11 100644
--- a/poi-excelant/build.gradle
+++ b/poi-excelant/build.gradle
@@ -43,7 +43,7 @@ dependencies {
     }
     testImplementation 'com.google.guava:guava:33.2.1-jre'
     testImplementation "org.apache.logging.log4j:log4j-slf4j2-impl:${log4jVersion}"
-    testImplementation 'org.slf4j:slf4j-simple:2.0.13'
+    testImplementation 'org.slf4j:slf4j-simple:2.0.14'
     testRuntimeOnly "org.apiguardian:apiguardian-api:${apiGuardianVersion}"
 }
 
diff --git a/poi-integration/build.gradle b/poi-integration/build.gradle
index cffc4ceef5..cc714b5bba 100644
--- a/poi-integration/build.gradle
+++ b/poi-integration/build.gradle
@@ -76,7 +76,7 @@ dependencies {
     }
     testImplementation project(path: ':poi-ooxml-lite-agent', configuration: 'archives')
     testImplementation "org.apache.logging.log4j:log4j-slf4j2-impl:${log4jVersion}"
-    testImplementation 'org.slf4j:slf4j-simple:2.0.13'
+    testImplementation 'org.slf4j:slf4j-simple:2.0.14'
     testRuntimeOnly "org.apiguardian:apiguardian-api:${apiGuardianVersion}"
 }
 
diff --git a/poi-ooxml/build.gradle b/poi-ooxml/build.gradle
index e8dffcb1b3..3c7fe7ca43 100644
--- a/poi-ooxml/build.gradle
+++ b/poi-ooxml/build.gradle
@@ -124,7 +124,7 @@ dependencies {
     // prevent slf4j warnings coming from xmlsec -> slf4j-api 1.7.x dependency
     // see https://logging.apache.org/log4j/2.x/log4j-slf4j-impl/
     testImplementation "org.apache.logging.log4j:log4j-slf4j2-impl:${log4jVersion}"
-    testImplementation 'org.slf4j:slf4j-simple:2.0.13'
+    testImplementation 'org.slf4j:slf4j-simple:2.0.14'
 
     broken("org.apache.xmlgraphics:batik-script:${batikVersion}"){
         exclude group: 'xalan', module: 'xalan'