diff --git a/modules/openapi-generator/src/main/resources/Java/libraries/restclient/build.gradle.mustache b/modules/openapi-generator/src/main/resources/Java/libraries/restclient/build.gradle.mustache
index bbb00c4ae5c..d17050b6d22 100644
--- a/modules/openapi-generator/src/main/resources/Java/libraries/restclient/build.gradle.mustache
+++ b/modules/openapi-generator/src/main/resources/Java/libraries/restclient/build.gradle.mustache
@@ -107,7 +107,7 @@ ext {
     jackson_version = "3.1.0"
     {{/useJackson3}}
     {{^useJackson3}}
-    jackson_version = "2.21.0"
+    jackson_version = "2.21.1"
     {{/useJackson3}}
     jackson_annotations_version = "2.21"
     {{#openApiNullable}}
diff --git a/samples/client/echo_api/java/restclient/build.gradle b/samples/client/echo_api/java/restclient/build.gradle
index 33cd3ec4bc1..b4c830b0dc9 100644
--- a/samples/client/echo_api/java/restclient/build.gradle
+++ b/samples/client/echo_api/java/restclient/build.gradle
@@ -97,7 +97,7 @@ if(hasProperty('target') && target == 'android') {
 }
 
 ext {
-    jackson_version = "2.21.0"
+    jackson_version = "2.21.1"
     jackson_annotations_version = "2.21"
     jackson_databind_nullable_version = "0.2.9"
     spring_web_version = "6.2.16"
diff --git a/samples/client/others/java/restclient-enum-in-multipart/build.gradle b/samples/client/others/java/restclient-enum-in-multipart/build.gradle
index 585a2f2b7d8..6af1d70a06d 100644
--- a/samples/client/others/java/restclient-enum-in-multipart/build.gradle
+++ b/samples/client/others/java/restclient-enum-in-multipart/build.gradle
@@ -97,7 +97,7 @@ if(hasProperty('target') && target == 'android') {
 }
 
 ext {
-    jackson_version = "2.21.0"
+    jackson_version = "2.21.1"
     jackson_annotations_version = "2.21"
     jackson_databind_nullable_version = "0.2.9"
     spring_web_version = "6.2.16"
diff --git a/samples/client/others/java/restclient-useAbstractionForFiles/build.gradle b/samples/client/others/java/restclient-useAbstractionForFiles/build.gradle
index 914a17eff3b..680ad2af42c 100644
--- a/samples/client/others/java/restclient-useAbstractionForFiles/build.gradle
+++ b/samples/client/others/java/restclient-useAbstractionForFiles/build.gradle
@@ -97,7 +97,7 @@ if(hasProperty('target') && target == 'android') {
 }
 
 ext {
-    jackson_version = "2.21.0"
+    jackson_version = "2.21.1"
     jackson_annotations_version = "2.21"
     jackson_databind_nullable_version = "0.2.9"
     spring_web_version = "6.2.16"
diff --git a/samples/client/petstore/java/restclient-nullable-arrays/build.gradle b/samples/client/petstore/java/restclient-nullable-arrays/build.gradle
index ba825283d39..1cabd41a032 100644
--- a/samples/client/petstore/java/restclient-nullable-arrays/build.gradle
+++ b/samples/client/petstore/java/restclient-nullable-arrays/build.gradle
@@ -97,7 +97,7 @@ if(hasProperty('target') && target == 'android') {
 }
 
 ext {
-    jackson_version = "2.21.0"
+    jackson_version = "2.21.1"
     jackson_annotations_version = "2.21"
     jackson_databind_nullable_version = "0.2.9"
     spring_web_version = "6.2.16"
diff --git a/samples/client/petstore/java/restclient-springBoot4-jackson2/build.gradle b/samples/client/petstore/java/restclient-springBoot4-jackson2/build.gradle
index cc0d95592f4..a26068ceb81 100644
--- a/samples/client/petstore/java/restclient-springBoot4-jackson2/build.gradle
+++ b/samples/client/petstore/java/restclient-springBoot4-jackson2/build.gradle
@@ -97,7 +97,7 @@ if(hasProperty('target') && target == 'android') {
 }
 
 ext {
-    jackson_version = "2.21.0"
+    jackson_version = "2.21.1"
     jackson_annotations_version = "2.21"
     jackson_databind_nullable_version = "0.2.9"
     spring_web_version = "7.0.5"
diff --git a/samples/client/petstore/java/restclient-swagger2/build.gradle b/samples/client/petstore/java/restclient-swagger2/build.gradle
index 8a5b2f5d1a2..904c28e27d2 100644
--- a/samples/client/petstore/java/restclient-swagger2/build.gradle
+++ b/samples/client/petstore/java/restclient-swagger2/build.gradle
@@ -98,7 +98,7 @@ if(hasProperty('target') && target == 'android') {
 
 ext {
     swagger_annotations_version = "2.2.43"
-    jackson_version = "2.21.0"
+    jackson_version = "2.21.1"
     jackson_annotations_version = "2.21"
     jackson_databind_nullable_version = "0.2.9"
     spring_web_version = "6.2.16"
diff --git a/samples/client/petstore/java/restclient-useSingleRequestParameter-static/build.gradle b/samples/client/petstore/java/restclient-useSingleRequestParameter-static/build.gradle
index 0d70ccd4ce9..05d657653a6 100644
--- a/samples/client/petstore/java/restclient-useSingleRequestParameter-static/build.gradle
+++ b/samples/client/petstore/java/restclient-useSingleRequestParameter-static/build.gradle
@@ -97,7 +97,7 @@ if(hasProperty('target') && target == 'android') {
 }
 
 ext {
-    jackson_version = "2.21.0"
+    jackson_version = "2.21.1"
     jackson_annotations_version = "2.21"
     jackson_databind_nullable_version = "0.2.9"
     spring_web_version = "6.2.16"
diff --git a/samples/client/petstore/java/restclient-useSingleRequestParameter/build.gradle b/samples/client/petstore/java/restclient-useSingleRequestParameter/build.gradle
index 595f33712f5..8143cf368ef 100644
--- a/samples/client/petstore/java/restclient-useSingleRequestParameter/build.gradle
+++ b/samples/client/petstore/java/restclient-useSingleRequestParameter/build.gradle
@@ -97,7 +97,7 @@ if(hasProperty('target') && target == 'android') {
 }
 
 ext {
-    jackson_version = "2.21.0"
+    jackson_version = "2.21.1"
     jackson_annotations_version = "2.21"
     jackson_databind_nullable_version = "0.2.9"
     spring_web_version = "6.2.16"
diff --git a/samples/client/petstore/java/restclient/build.gradle b/samples/client/petstore/java/restclient/build.gradle
index f1e07fd672f..d5d9f497d54 100644
--- a/samples/client/petstore/java/restclient/build.gradle
+++ b/samples/client/petstore/java/restclient/build.gradle
@@ -97,7 +97,7 @@ if(hasProperty('target') && target == 'android') {
 }
 
 ext {
-    jackson_version = "2.21.0"
+    jackson_version = "2.21.1"
     jackson_annotations_version = "2.21"
     jackson_databind_nullable_version = "0.2.9"
     spring_web_version = "6.2.16"