diff --git a/build.gradle b/build.gradle
index ab5f15c..7f930d4 100644
--- a/build.gradle
+++ b/build.gradle
@@ -113,10 +113,10 @@ dependencies {
     implementation 'io.gsonfire:gson-fire:1.8.5'
     implementation 'javax.ws.rs:jsr311-api:1.1.1'
     implementation 'javax.ws.rs:javax.ws.rs-api:2.1.1'
-    implementation 'org.openapitools:jackson-databind-nullable:0.2.6'
+    implementation 'com.fasterxml.jackson.core:jackson-core:2.15.0'
     implementation 'org.apache.commons:commons-lang3:3.13.0'
     implementation 'jakarta.annotation:jakarta.annotation-api:1.3.5'
     testImplementation 'org.mockito:mockito-core:5.6.0'
     testImplementation 'org.junit.jupiter:junit-jupiter-api:5.10.0'
     testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.10.0'
-}
\ No newline at end of file
+}