diff --git a/docs/customization.md b/docs/customization.md
index bfecdecbd97..ededd1d7fe3 100644
--- a/docs/customization.md
+++ b/docs/customization.md
@@ -248,7 +248,7 @@ CONFIG OPTIONS
 	    retrofit - HTTP client: OkHttp 2.4.0. JSON processing: Gson 2.3.1 (Retrofit 1.9.0)
         retrofit2 - HTTP client: OkHttp 2.5.0. JSON processing: Gson 2.4 (Retrofit 2.0.0-beta2)
         google-api-client - HTTP client: google-api-client 1.23.0. JSON processing: Jackson 2.8.9
-        rest-assured - HTTP client: rest-assured : 3.1.0. JSON processing: Gson 2.6.1. Only for Java8
+        rest-assured - HTTP client: rest-assured : 3.3.0. JSON processing: Gson 2.8.5. Only for Java8
 ```
 
 Your config file for Java can look like
diff --git a/modules/openapi-generator/src/main/resources/Java/libraries/rest-assured/build.gradle.mustache b/modules/openapi-generator/src/main/resources/Java/libraries/rest-assured/build.gradle.mustache
index af9e49e0dfb..03ea659d066 100644
--- a/modules/openapi-generator/src/main/resources/Java/libraries/rest-assured/build.gradle.mustache
+++ b/modules/openapi-generator/src/main/resources/Java/libraries/rest-assured/build.gradle.mustache
@@ -96,15 +96,15 @@ if(hasProperty('target') && target == 'android') {
 
 ext {
     swagger_annotations_version = "1.5.21"
-    rest_assured_version = "3.1.0"
+    rest_assured_version = "3.3.0"
     junit_version = "4.12"
-    gson_version = "2.6.1"
-    gson_fire_version = "1.8.2"
+    gson_version = "2.8.5"
+    gson_fire_version = "1.8.3"
 {{#joda}}
     jodatime_version = "2.9.9"
 {{/joda}}
 {{#threetenbp}}
-    threetenbp_version = "1.3.5"
+    threetenbp_version = "1.3.8"
 {{/threetenbp}}
     okio_version = "1.13.0"
 }
diff --git a/modules/openapi-generator/src/main/resources/Java/libraries/rest-assured/build.sbt.mustache b/modules/openapi-generator/src/main/resources/Java/libraries/rest-assured/build.sbt.mustache
index 7a666ebace6..454ff06c346 100644
--- a/modules/openapi-generator/src/main/resources/Java/libraries/rest-assured/build.sbt.mustache
+++ b/modules/openapi-generator/src/main/resources/Java/libraries/rest-assured/build.sbt.mustache
@@ -10,14 +10,14 @@ lazy val root = (project in file(".")).
     resolvers += Resolver.mavenLocal,
     libraryDependencies ++= Seq(
       "io.swagger" % "swagger-annotations" % "1.5.21",
-      "io.rest-assured" % "scala-support" % "3.1.0",
-      "com.google.code.gson" % "gson" % "2.6.1",
-      "io.gsonfire" % "gson-fire" % "1.8.2" % "compile",
+      "io.rest-assured" % "scala-support" % "3.3.0",
+      "com.google.code.gson" % "gson" % "2.8.5",
+      "io.gsonfire" % "gson-fire" % "1.8.3" % "compile",
 {{#joda}}
       "joda-time" % "joda-time" % "2.9.9" % "compile",
 {{/joda}}
 {{#threetenbp}}
-      "org.threeten" % "threetenbp" % "1.3.5" % "compile",
+      "org.threeten" % "threetenbp" % "1.3.8" % "compile",
 {{/threetenbp}}
       "com.squareup.okio" % "okio" % "1.13.0" % "compile",
       "junit" % "junit" % "4.12" % "test",
diff --git a/modules/openapi-generator/src/main/resources/Java/libraries/rest-assured/pom.mustache b/modules/openapi-generator/src/main/resources/Java/libraries/rest-assured/pom.mustache
index 64285da8111..d480939b403 100644
--- a/modules/openapi-generator/src/main/resources/Java/libraries/rest-assured/pom.mustache
+++ b/modules/openapi-generator/src/main/resources/Java/libraries/rest-assured/pom.mustache
@@ -251,15 +251,15 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <swagger-annotations-version>1.5.21</swagger-annotations-version>
-        <rest-assured.version>3.1.0</rest-assured.version>
-        <gson-version>2.6.1</gson-version>
-        <gson-fire-version>1.8.2</gson-fire-version>
+        <rest-assured.version>3.3.0</rest-assured.version>
+        <gson-version>2.8.5</gson-version>
+        <gson-fire-version>1.8.3</gson-fire-version>
         <maven-plugin-version>1.0.0</maven-plugin-version>
         {{#joda}}
         <jodatime-version>2.9.9</jodatime-version>
         {{/joda}}
         {{#threetenbp}}
-        <threetenbp-version>1.3.5</threetenbp-version>
+        <threetenbp-version>1.3.8</threetenbp-version>
         {{/threetenbp}}
         <okio-version>1.13.0</okio-version>
         <junit-version>4.12</junit-version>
diff --git a/samples/client/petstore/java/rest-assured/build.gradle b/samples/client/petstore/java/rest-assured/build.gradle
index a751e7e922d..0e5596f30af 100644
--- a/samples/client/petstore/java/rest-assured/build.gradle
+++ b/samples/client/petstore/java/rest-assured/build.gradle
@@ -96,11 +96,11 @@ if(hasProperty('target') && target == 'android') {
 
 ext {
     swagger_annotations_version = "1.5.21"
-    rest_assured_version = "3.1.0"
+    rest_assured_version = "3.3.0"
     junit_version = "4.12"
-    gson_version = "2.6.1"
-    gson_fire_version = "1.8.2"
-    threetenbp_version = "1.3.5"
+    gson_version = "2.8.5"
+    gson_fire_version = "1.8.3"
+    threetenbp_version = "1.3.8"
     okio_version = "1.13.0"
 }
 
diff --git a/samples/client/petstore/java/rest-assured/build.sbt b/samples/client/petstore/java/rest-assured/build.sbt
index eb61e74a894..5a011f9f84d 100644
--- a/samples/client/petstore/java/rest-assured/build.sbt
+++ b/samples/client/petstore/java/rest-assured/build.sbt
@@ -10,10 +10,10 @@ lazy val root = (project in file(".")).
     resolvers += Resolver.mavenLocal,
     libraryDependencies ++= Seq(
       "io.swagger" % "swagger-annotations" % "1.5.21",
-      "io.rest-assured" % "scala-support" % "3.1.0",
-      "com.google.code.gson" % "gson" % "2.6.1",
-      "io.gsonfire" % "gson-fire" % "1.8.2" % "compile",
-      "org.threeten" % "threetenbp" % "1.3.5" % "compile",
+      "io.rest-assured" % "scala-support" % "3.3.0",
+      "com.google.code.gson" % "gson" % "2.8.5",
+      "io.gsonfire" % "gson-fire" % "1.8.3" % "compile",
+      "org.threeten" % "threetenbp" % "1.3.8" % "compile",
       "com.squareup.okio" % "okio" % "1.13.0" % "compile",
       "junit" % "junit" % "4.12" % "test",
       "com.novocode" % "junit-interface" % "0.10" % "test"
diff --git a/samples/client/petstore/java/rest-assured/pom.xml b/samples/client/petstore/java/rest-assured/pom.xml
index 030473c7781..95886cb3275 100644
--- a/samples/client/petstore/java/rest-assured/pom.xml
+++ b/samples/client/petstore/java/rest-assured/pom.xml
@@ -235,11 +235,11 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <swagger-annotations-version>1.5.21</swagger-annotations-version>
-        <rest-assured.version>3.1.0</rest-assured.version>
-        <gson-version>2.6.1</gson-version>
-        <gson-fire-version>1.8.2</gson-fire-version>
+        <rest-assured.version>3.3.0</rest-assured.version>
+        <gson-version>2.8.5</gson-version>
+        <gson-fire-version>1.8.3</gson-fire-version>
         <maven-plugin-version>1.0.0</maven-plugin-version>
-        <threetenbp-version>1.3.5</threetenbp-version>
+        <threetenbp-version>1.3.8</threetenbp-version>
         <okio-version>1.13.0</okio-version>
         <junit-version>4.12</junit-version>
     </properties>