diff --git a/modules/openapi-generator/src/main/resources/Java/libraries/okhttp-gson/build.gradle.mustache b/modules/openapi-generator/src/main/resources/Java/libraries/okhttp-gson/build.gradle.mustache
index 0bd85e8b2da..7e3d97298ea 100644
--- a/modules/openapi-generator/src/main/resources/Java/libraries/okhttp-gson/build.gradle.mustache
+++ b/modules/openapi-generator/src/main/resources/Java/libraries/okhttp-gson/build.gradle.mustache
@@ -104,8 +104,8 @@ if(hasProperty('target') && target == 'android') {
 dependencies {
     implementation 'io.swagger:swagger-annotations:1.5.24'
     implementation "com.google.code.findbugs:jsr305:3.0.2"
-    implementation 'com.squareup.okhttp3:okhttp:3.14.7'
-    implementation 'com.squareup.okhttp3:logging-interceptor:3.14.7'
+    implementation 'com.squareup.okhttp3:okhttp:4.9.1'
+    implementation 'com.squareup.okhttp3:logging-interceptor:4.9.1'
     implementation 'com.google.code.gson:gson:2.8.6'
     implementation 'io.gsonfire:gson-fire:1.8.4'
     {{#hasOAuthMethods}}
diff --git a/samples/client/petstore/java/okhttp-gson-dynamicOperations/build.gradle b/samples/client/petstore/java/okhttp-gson-dynamicOperations/build.gradle
index f21bac4c229..9daaafc5661 100644
--- a/samples/client/petstore/java/okhttp-gson-dynamicOperations/build.gradle
+++ b/samples/client/petstore/java/okhttp-gson-dynamicOperations/build.gradle
@@ -100,8 +100,8 @@ if(hasProperty('target') && target == 'android') {
 dependencies {
     implementation 'io.swagger:swagger-annotations:1.5.24'
     implementation "com.google.code.findbugs:jsr305:3.0.2"
-    implementation 'com.squareup.okhttp3:okhttp:3.14.7'
-    implementation 'com.squareup.okhttp3:logging-interceptor:3.14.7'
+    implementation 'com.squareup.okhttp3:okhttp:4.9.1'
+    implementation 'com.squareup.okhttp3:logging-interceptor:4.9.1'
     implementation 'com.google.code.gson:gson:2.8.6'
     implementation 'io.gsonfire:gson-fire:1.8.4'
     implementation group: 'org.apache.oltu.oauth2', name: 'org.apache.oltu.oauth2.client', version: '1.0.1'
diff --git a/samples/client/petstore/java/okhttp-gson-parcelableModel/build.gradle b/samples/client/petstore/java/okhttp-gson-parcelableModel/build.gradle
index f0e701eea22..5809e790fce 100644
--- a/samples/client/petstore/java/okhttp-gson-parcelableModel/build.gradle
+++ b/samples/client/petstore/java/okhttp-gson-parcelableModel/build.gradle
@@ -100,8 +100,8 @@ if(hasProperty('target') && target == 'android') {
 dependencies {
     implementation 'io.swagger:swagger-annotations:1.5.24'
     implementation "com.google.code.findbugs:jsr305:3.0.2"
-    implementation 'com.squareup.okhttp3:okhttp:3.14.7'
-    implementation 'com.squareup.okhttp3:logging-interceptor:3.14.7'
+    implementation 'com.squareup.okhttp3:okhttp:4.9.1'
+    implementation 'com.squareup.okhttp3:logging-interceptor:4.9.1'
     implementation 'com.google.code.gson:gson:2.8.6'
     implementation 'io.gsonfire:gson-fire:1.8.4'
     implementation group: 'org.apache.oltu.oauth2', name: 'org.apache.oltu.oauth2.client', version: '1.0.1'
diff --git a/samples/client/petstore/java/okhttp-gson/build.gradle b/samples/client/petstore/java/okhttp-gson/build.gradle
index 8db6d52554d..3488028c466 100644
--- a/samples/client/petstore/java/okhttp-gson/build.gradle
+++ b/samples/client/petstore/java/okhttp-gson/build.gradle
@@ -100,8 +100,8 @@ if(hasProperty('target') && target == 'android') {
 dependencies {
     implementation 'io.swagger:swagger-annotations:1.5.24'
     implementation "com.google.code.findbugs:jsr305:3.0.2"
-    implementation 'com.squareup.okhttp3:okhttp:3.14.7'
-    implementation 'com.squareup.okhttp3:logging-interceptor:3.14.7'
+    implementation 'com.squareup.okhttp3:okhttp:4.9.1'
+    implementation 'com.squareup.okhttp3:logging-interceptor:4.9.1'
     implementation 'com.google.code.gson:gson:2.8.6'
     implementation 'io.gsonfire:gson-fire:1.8.4'
     implementation group: 'org.apache.oltu.oauth2', name: 'org.apache.oltu.oauth2.client', version: '1.0.1'