diff --git a/build.gradle b/build.gradle
index 05c1d180..d068fad5 100644
--- a/build.gradle
+++ b/build.gradle
@@ -31,12 +31,12 @@ dependencies {
     api 'org.apache.poi:poi:5.2.3'
     api 'org.apache.poi:poi-ooxml:5.2.3'
     implementation 'com.github.pjfanning:poi-shared-strings:2.6.1'
-    implementation 'org.slf4j:slf4j-api:1.7.36'
+    implementation 'org.slf4j:slf4j-api:2.0.9'
     implementation 'commons-io:commons-io:2.13.0'
     testImplementation 'junit:junit:4.13.2'
     testImplementation 'org.nanohttpd:nanohttpd:2.3.1'
     testImplementation 'org.mockito:mockito-core:4.11.0'
-    testRuntimeOnly 'org.slf4j:slf4j-simple:1.7.36'
+    testRuntimeOnly 'org.slf4j:slf4j-simple:2.0.9'
     testRuntimeOnly 'org.apache.logging.log4j:log4j-to-slf4j:2.20.0'
 }