diff --git a/build.gradle b/build.gradle
index 444e79a..be0bac2 100644
--- a/build.gradle
+++ b/build.gradle
@@ -12,19 +12,19 @@ group 'com.factset.sdk'
 version '1.1.3'
 
 dependencies {
-    implementation 'org.slf4j:slf4j-api:1.7.36'
+    implementation 'org.slf4j:slf4j-api:2.0.17'
     implementation 'com.nimbusds:nimbus-jose-jwt:9.40'
     implementation 'org.json:json:20250107'
     implementation 'com.nimbusds:oauth2-oidc-sdk:11.23'
 
     testImplementation 'org.mockito:mockito-core:4.9.0'
     testImplementation 'org.junit.jupiter:junit-jupiter-api:5.10.2'
-    testImplementation 'ch.qos.logback:logback-classic:1.2.11'
+    testImplementation 'ch.qos.logback:logback-classic:1.5.13'
     testImplementation "com.github.tomakehurst:wiremock-jre8-standalone:2.35.0"
     testImplementation "org.assertj:assertj-core:3.26.0"
     testImplementation "org.hamcrest:hamcrest:2.2"
     testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.10.2'
-    testRuntimeOnly 'ch.qos.logback:logback-core:1.2.11'
+    testRuntimeOnly 'ch.qos.logback:logback-core:1.5.13'
 
     compileOnly 'org.projectlombok:lombok:1.18.36'
     annotationProcessor 'org.projectlombok:lombok:1.18.36'