diff --git a/openai-java-client-okhttp/build.gradle.kts b/openai-java-client-okhttp/build.gradle.kts
index 9bbcb01a8..d6f20d401 100644
--- a/openai-java-client-okhttp/build.gradle.kts
+++ b/openai-java-client-okhttp/build.gradle.kts
@@ -49,6 +49,7 @@ dependencies {
 
     testImplementation(kotlin("test"))
     testImplementation("org.assertj:assertj-core:3.27.7")
+    testImplementation(platform("com.fasterxml.jackson:jackson-bom:2.21.5"))
     testImplementation(platform("org.eclipse.jetty:jetty-bom:12.0.33"))
     testImplementation(platform("org.eclipse.jetty.ee10:jetty-ee10-bom:12.0.33"))
     testImplementation("org.wiremock:wiremock-jetty12:3.13.2")
diff --git a/openai-java-core/build.gradle.kts b/openai-java-core/build.gradle.kts
index 4897cbc43..60ac5fc95 100644
--- a/openai-java-core/build.gradle.kts
+++ b/openai-java-core/build.gradle.kts
@@ -99,6 +99,7 @@ dependencies {
 
     testImplementation(kotlin("test"))
     testImplementation(project(":openai-java-client-okhttp"))
+    testImplementation(platform("com.fasterxml.jackson:jackson-bom:2.21.5"))
     testImplementation(platform("org.eclipse.jetty:jetty-bom:12.0.33"))
     testImplementation(platform("org.eclipse.jetty.ee10:jetty-ee10-bom:12.0.33"))
     testImplementation("org.wiremock:wiremock-jetty12:3.13.2")