diff --git a/amazon-kendra-intelligent-ranking/build.gradle b/amazon-kendra-intelligent-ranking/build.gradle
index 3611d39..1f3a12f 100644
--- a/amazon-kendra-intelligent-ranking/build.gradle
+++ b/amazon-kendra-intelligent-ranking/build.gradle
@@ -53,9 +53,9 @@ dependencies {
     implementation 'com.ibm.icu:icu4j:57.2'
     implementation 'org.apache.httpcomponents:httpclient:4.5.14'
     implementation 'org.apache.httpcomponents:httpcore:4.4.16'
-    implementation 'com.fasterxml.jackson.core:jackson-databind:2.17.2'
-    implementation 'com.fasterxml.jackson.core:jackson-core:2.17.2'
-    implementation 'com.fasterxml.jackson.core:jackson-annotations:2.17.2'
+    implementation 'com.fasterxml.jackson.core:jackson-databind:2.18.2'
+    implementation 'com.fasterxml.jackson.core:jackson-core:2.18.2'
+    implementation 'com.fasterxml.jackson.core:jackson-annotations:2.18.2'
     implementation 'commons-logging:commons-logging:1.2'
     implementation 'com.amazonaws:aws-java-sdk-sts:1.12.300'
     implementation 'com.amazonaws:aws-java-sdk-core:1.12.300'
diff --git a/amazon-personalize-ranking/build.gradle b/amazon-personalize-ranking/build.gradle
index 1d475b0..bf92c15 100644
--- a/amazon-personalize-ranking/build.gradle
+++ b/amazon-personalize-ranking/build.gradle
@@ -53,9 +53,9 @@ repositories {
 dependencies {
     implementation 'org.apache.httpcomponents:httpclient:4.5.14'
     implementation 'org.apache.httpcomponents:httpcore:4.4.16'
-    implementation 'com.fasterxml.jackson.core:jackson-databind:2.17.2'
-    implementation 'com.fasterxml.jackson.core:jackson-core:2.17.2'
-    implementation 'com.fasterxml.jackson.core:jackson-annotations:2.17.2'
+    implementation 'com.fasterxml.jackson.core:jackson-databind:2.18.2'
+    implementation 'com.fasterxml.jackson.core:jackson-core:2.18.2'
+    implementation 'com.fasterxml.jackson.core:jackson-annotations:2.18.2'
     implementation 'com.amazonaws:aws-java-sdk-sts:1.12.300'
     implementation 'com.amazonaws:aws-java-sdk-core:1.12.300'
     implementation 'com.amazonaws:aws-java-sdk-personalizeruntime:1.12.300'