diff --git a/amazon-kendra-intelligent-ranking/build.gradle b/amazon-kendra-intelligent-ranking/build.gradle
index 60821f6..ec942d5 100644
--- a/amazon-kendra-intelligent-ranking/build.gradle
+++ b/amazon-kendra-intelligent-ranking/build.gradle
@@ -59,7 +59,7 @@ dependencies {
     implementation 'org.apache.httpcomponents:httpclient:4.5.14'
     implementation 'org.apache.httpcomponents:httpcore:4.4.16'
     implementation 'com.fasterxml.jackson.core:jackson-databind:2.18.2'
-    implementation 'com.fasterxml.jackson.core:jackson-core:2.18.2'
+    implementation 'com.fasterxml.jackson.core:jackson-core:2.18.6'
     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'
diff --git a/amazon-personalize-ranking/build.gradle b/amazon-personalize-ranking/build.gradle
index 527d985..af146c9 100644
--- a/amazon-personalize-ranking/build.gradle
+++ b/amazon-personalize-ranking/build.gradle
@@ -59,7 +59,7 @@ dependencies {
     implementation 'org.apache.httpcomponents:httpclient:4.5.14'
     implementation 'org.apache.httpcomponents:httpcore:4.4.16'
     implementation 'com.fasterxml.jackson.core:jackson-databind:2.18.2'
-    implementation 'com.fasterxml.jackson.core:jackson-core:2.18.2'
+    implementation 'com.fasterxml.jackson.core:jackson-core:2.18.6'
     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'