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 613c81a48be..cb0e972ae37 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
@@ -126,15 +126,15 @@ if(hasProperty('target') && target == 'android') {
 }
 
 dependencies {
-    compile 'io.swagger:swagger-annotations:1.5.21'
-    compile 'com.squareup.okhttp3:okhttp:3.13.1'
-    compile 'com.squareup.okhttp3:logging-interceptor:3.13.1'
+    compile 'io.swagger:swagger-annotations:1.5.22'
+    compile 'com.squareup.okhttp3:okhttp:3.14.2'
+    compile 'com.squareup.okhttp3:logging-interceptor:3.14.2'
     compile 'com.google.code.gson:gson:2.8.5'
     compile 'io.gsonfire:gson-fire:1.8.3'
     {{#hasOAuthMethods}}
     compile group: 'org.apache.oltu.oauth2', name: 'org.apache.oltu.oauth2.client', version: '1.0.1'
     {{/hasOAuthMethods}}
-    compile group: 'org.apache.commons', name: 'commons-lang3', version: '3.8.1'
+    compile group: 'org.apache.commons', name: 'commons-lang3', version: '3.9'
     {{#joda}}
     compile 'joda-time:joda-time:2.9.9'
     {{/joda}}
diff --git a/modules/openapi-generator/src/main/resources/Java/libraries/okhttp-gson/build.sbt.mustache b/modules/openapi-generator/src/main/resources/Java/libraries/okhttp-gson/build.sbt.mustache
index f83f149e920..80a53397e3a 100644
--- a/modules/openapi-generator/src/main/resources/Java/libraries/okhttp-gson/build.sbt.mustache
+++ b/modules/openapi-generator/src/main/resources/Java/libraries/okhttp-gson/build.sbt.mustache
@@ -9,11 +9,11 @@ lazy val root = (project in file(".")).
     publishArtifact in (Compile, packageDoc) := false,
     resolvers += Resolver.mavenLocal,
     libraryDependencies ++= Seq(
-      "io.swagger" % "swagger-annotations" % "1.5.21",
-      "com.squareup.okhttp3" % "okhttp" % "3.13.1",
-      "com.squareup.okhttp3" % "logging-interceptor" % "3.13.1",
+      "io.swagger" % "swagger-annotations" % "1.5.22",
+      "com.squareup.okhttp3" % "okhttp" % "3.14.2",
+      "com.squareup.okhttp3" % "logging-interceptor" % "3.14.2",
       "com.google.code.gson" % "gson" % "2.8.5",
-      "org.apache.commons" % "commons-lang3" % "3.8.1",
+      "org.apache.commons" % "commons-lang3" % "3.9",
       {{#hasOAuthMethods}}
       "org.apache.oltu.oauth2" % "org.apache.oltu.oauth2.client" % "1.0.1",
       {{/hasOAuthMethods}}
diff --git a/modules/openapi-generator/src/main/resources/Java/libraries/okhttp-gson/pom.mustache b/modules/openapi-generator/src/main/resources/Java/libraries/okhttp-gson/pom.mustache
index eac0a4e1ba2..84b97f52c77 100644
--- a/modules/openapi-generator/src/main/resources/Java/libraries/okhttp-gson/pom.mustache
+++ b/modules/openapi-generator/src/main/resources/Java/libraries/okhttp-gson/pom.mustache
@@ -298,9 +298,9 @@
         <maven.compiler.target>${java.version}</maven.compiler.target>
         <gson-fire-version>1.8.3</gson-fire-version>
         <swagger-core-version>1.5.21</swagger-core-version>
-        <okhttp-version>3.14.0</okhttp-version>
+        <okhttp-version>3.14.2</okhttp-version>
         <gson-version>2.8.5</gson-version>
-        <commons-lang3-version>3.8.1</commons-lang3-version>
+        <commons-lang3-version>3.9</commons-lang3-version>
         {{#joda}}
         <jodatime-version>2.9.9</jodatime-version>
         {{/joda}}
diff --git a/samples/client/petstore/java/okhttp-gson-parcelableModel/build.gradle b/samples/client/petstore/java/okhttp-gson-parcelableModel/build.gradle
index 21590dd5662..229b37b48cc 100644
--- a/samples/client/petstore/java/okhttp-gson-parcelableModel/build.gradle
+++ b/samples/client/petstore/java/okhttp-gson-parcelableModel/build.gradle
@@ -98,13 +98,13 @@ if(hasProperty('target') && target == 'android') {
 }
 
 dependencies {
-    compile 'io.swagger:swagger-annotations:1.5.21'
-    compile 'com.squareup.okhttp3:okhttp:3.13.1'
-    compile 'com.squareup.okhttp3:logging-interceptor:3.13.1'
+    compile 'io.swagger:swagger-annotations:1.5.22'
+    compile 'com.squareup.okhttp3:okhttp:3.14.2'
+    compile 'com.squareup.okhttp3:logging-interceptor:3.14.2'
     compile 'com.google.code.gson:gson:2.8.5'
     compile 'io.gsonfire:gson-fire:1.8.3'
     compile group: 'org.apache.oltu.oauth2', name: 'org.apache.oltu.oauth2.client', version: '1.0.1'
-    compile group: 'org.apache.commons', name: 'commons-lang3', version: '3.8.1'
+    compile group: 'org.apache.commons', name: 'commons-lang3', version: '3.9'
     compile 'org.threeten:threetenbp:1.3.5'
     testCompile 'junit:junit:4.12'
 }
diff --git a/samples/client/petstore/java/okhttp-gson-parcelableModel/build.sbt b/samples/client/petstore/java/okhttp-gson-parcelableModel/build.sbt
index 6f9c7fa962b..ea38e20bc43 100644
--- a/samples/client/petstore/java/okhttp-gson-parcelableModel/build.sbt
+++ b/samples/client/petstore/java/okhttp-gson-parcelableModel/build.sbt
@@ -9,11 +9,11 @@ lazy val root = (project in file(".")).
     publishArtifact in (Compile, packageDoc) := false,
     resolvers += Resolver.mavenLocal,
     libraryDependencies ++= Seq(
-      "io.swagger" % "swagger-annotations" % "1.5.21",
-      "com.squareup.okhttp3" % "okhttp" % "3.13.1",
-      "com.squareup.okhttp3" % "logging-interceptor" % "3.13.1",
+      "io.swagger" % "swagger-annotations" % "1.5.22",
+      "com.squareup.okhttp3" % "okhttp" % "3.14.2",
+      "com.squareup.okhttp3" % "logging-interceptor" % "3.14.2",
       "com.google.code.gson" % "gson" % "2.8.5",
-      "org.apache.commons" % "commons-lang3" % "3.8.1",
+      "org.apache.commons" % "commons-lang3" % "3.9",
       "org.apache.oltu.oauth2" % "org.apache.oltu.oauth2.client" % "1.0.1",
       "org.threeten" % "threetenbp" % "1.3.5" % "compile",
       "io.gsonfire" % "gson-fire" % "1.8.3" % "compile",
diff --git a/samples/client/petstore/java/okhttp-gson-parcelableModel/pom.xml b/samples/client/petstore/java/okhttp-gson-parcelableModel/pom.xml
index 0353247b020..30df3d74268 100644
--- a/samples/client/petstore/java/okhttp-gson-parcelableModel/pom.xml
+++ b/samples/client/petstore/java/okhttp-gson-parcelableModel/pom.xml
@@ -256,9 +256,9 @@
         <maven.compiler.target>${java.version}</maven.compiler.target>
         <gson-fire-version>1.8.3</gson-fire-version>
         <swagger-core-version>1.5.21</swagger-core-version>
-        <okhttp-version>3.14.0</okhttp-version>
+        <okhttp-version>3.14.2</okhttp-version>
         <gson-version>2.8.5</gson-version>
-        <commons-lang3-version>3.8.1</commons-lang3-version>
+        <commons-lang3-version>3.9</commons-lang3-version>
         <threetenbp-version>1.3.8</threetenbp-version>
         <maven-plugin-version>1.0.0</maven-plugin-version>
         <junit-version>4.12</junit-version>
diff --git a/samples/client/petstore/java/okhttp-gson/build.gradle b/samples/client/petstore/java/okhttp-gson/build.gradle
index 6f451be8dfd..0206cad9df4 100644
--- a/samples/client/petstore/java/okhttp-gson/build.gradle
+++ b/samples/client/petstore/java/okhttp-gson/build.gradle
@@ -98,13 +98,13 @@ if(hasProperty('target') && target == 'android') {
 }
 
 dependencies {
-    compile 'io.swagger:swagger-annotations:1.5.21'
-    compile 'com.squareup.okhttp3:okhttp:3.13.1'
-    compile 'com.squareup.okhttp3:logging-interceptor:3.13.1'
+    compile 'io.swagger:swagger-annotations:1.5.22'
+    compile 'com.squareup.okhttp3:okhttp:3.14.2'
+    compile 'com.squareup.okhttp3:logging-interceptor:3.14.2'
     compile 'com.google.code.gson:gson:2.8.5'
     compile 'io.gsonfire:gson-fire:1.8.3'
     compile group: 'org.apache.oltu.oauth2', name: 'org.apache.oltu.oauth2.client', version: '1.0.1'
-    compile group: 'org.apache.commons', name: 'commons-lang3', version: '3.8.1'
+    compile group: 'org.apache.commons', name: 'commons-lang3', version: '3.9'
     compile 'org.threeten:threetenbp:1.3.5'
     testCompile 'junit:junit:4.12'
 }
diff --git a/samples/client/petstore/java/okhttp-gson/build.sbt b/samples/client/petstore/java/okhttp-gson/build.sbt
index c5fea6a50ba..17e9ba0e59c 100644
--- a/samples/client/petstore/java/okhttp-gson/build.sbt
+++ b/samples/client/petstore/java/okhttp-gson/build.sbt
@@ -9,11 +9,11 @@ lazy val root = (project in file(".")).
     publishArtifact in (Compile, packageDoc) := false,
     resolvers += Resolver.mavenLocal,
     libraryDependencies ++= Seq(
-      "io.swagger" % "swagger-annotations" % "1.5.21",
-      "com.squareup.okhttp3" % "okhttp" % "3.13.1",
-      "com.squareup.okhttp3" % "logging-interceptor" % "3.13.1",
+      "io.swagger" % "swagger-annotations" % "1.5.22",
+      "com.squareup.okhttp3" % "okhttp" % "3.14.2",
+      "com.squareup.okhttp3" % "logging-interceptor" % "3.14.2",
       "com.google.code.gson" % "gson" % "2.8.5",
-      "org.apache.commons" % "commons-lang3" % "3.8.1",
+      "org.apache.commons" % "commons-lang3" % "3.9",
       "org.apache.oltu.oauth2" % "org.apache.oltu.oauth2.client" % "1.0.1",
       "org.threeten" % "threetenbp" % "1.3.5" % "compile",
       "io.gsonfire" % "gson-fire" % "1.8.3" % "compile",
diff --git a/samples/client/petstore/java/okhttp-gson/pom.xml b/samples/client/petstore/java/okhttp-gson/pom.xml
index 8d13db0ce55..a716cc878d7 100644
--- a/samples/client/petstore/java/okhttp-gson/pom.xml
+++ b/samples/client/petstore/java/okhttp-gson/pom.xml
@@ -249,9 +249,9 @@
         <maven.compiler.target>${java.version}</maven.compiler.target>
         <gson-fire-version>1.8.3</gson-fire-version>
         <swagger-core-version>1.5.21</swagger-core-version>
-        <okhttp-version>3.14.0</okhttp-version>
+        <okhttp-version>3.14.2</okhttp-version>
         <gson-version>2.8.5</gson-version>
-        <commons-lang3-version>3.8.1</commons-lang3-version>
+        <commons-lang3-version>3.9</commons-lang3-version>
         <threetenbp-version>1.3.8</threetenbp-version>
         <maven-plugin-version>1.0.0</maven-plugin-version>
         <junit-version>4.12</junit-version>