diff --git a/build.gradle b/build.gradle
index b5b410d..11fe64e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -337,7 +337,7 @@ dependencies {
 	implementation('com.github.zafarkhaja:java-semver:0.10.2')
 
 
-	testImplementation('ch.qos.logback:logback-classic:1.1.2')
+	testImplementation('ch.qos.logback:logback-classic:1.5.32')
 	testImplementation ('com.github.kbase:java_test_utilities:0.1.0') {
 		exclude group: 'com.fasterxml.jackson.core'  // don't upgrade yet, breaks tests
 		exclude group: 'junit', module: 'junit'
@@ -365,7 +365,7 @@ dependencies {
 	
 	// isolate the sdk generated code dependencies from the standard dependencies
 	
-	generatedCodeClasspath('ch.qos.logback:logback-classic:1.1.2')
+	generatedCodeClasspath('ch.qos.logback:logback-classic:1.5.32')
 	generatedCodeClasspath('com.fasterxml.jackson.core:jackson-annotations:2.2.3')
 	generatedCodeClasspath('com.fasterxml.jackson.core:jackson-databind:2.2.3')
 	generatedCodeClasspath('com.github.kbase:auth2_client_java:0.5.0') {