diff --git a/modules/openapi-generator/src/main/resources/Java/libraries/feign/build.gradle.mustache b/modules/openapi-generator/src/main/resources/Java/libraries/feign/build.gradle.mustache
index 2b4e0340e7f..ba05fdcb774 100644
--- a/modules/openapi-generator/src/main/resources/Java/libraries/feign/build.gradle.mustache
+++ b/modules/openapi-generator/src/main/resources/Java/libraries/feign/build.gradle.mustache
@@ -110,7 +110,7 @@ ext {
     jackson_databind_nullable_version = "0.2.6"
     {{/openApiNullable}}
     jakarta_annotation_version = "1.3.5"
-    feign_version = "10.12"
+    feign_version = "13.5"
     feign_form_version = "3.8.0"
     junit_version = "5.7.0"
     scribejava_version = "8.0.0"
diff --git a/modules/openapi-generator/src/main/resources/Java/libraries/feign/build.sbt.mustache b/modules/openapi-generator/src/main/resources/Java/libraries/feign/build.sbt.mustache
index 1a24b99f55d..8646f92d96e 100644
--- a/modules/openapi-generator/src/main/resources/Java/libraries/feign/build.sbt.mustache
+++ b/modules/openapi-generator/src/main/resources/Java/libraries/feign/build.sbt.mustache
@@ -11,13 +11,13 @@ lazy val root = (project in file(".")).
     libraryDependencies ++= Seq(
       "io.swagger" % "swagger-annotations" % "1.6.11" % "compile",
       "com.google.code.findbugs" % "jsr305" % "3.0.2" % "compile",
-      "io.github.openfeign" % "feign-core" % "10.12" % "compile",
+      "io.github.openfeign" % "feign-core" % "13.5" % "compile",
 {{#jackson}}
-      "io.github.openfeign" % "feign-jackson" % "10.12" % "compile",
+      "io.github.openfeign" % "feign-jackson" % "13.5" % "compile",
 {{/jackson}}
-      "io.github.openfeign" % "feign-slf4j" % "10.12" % "compile",
+      "io.github.openfeign" % "feign-slf4j" % "13.5" % "compile",
       "io.github.openfeign.form" % "feign-form" % "3.8.0" % "compile",
-      "io.github.openfeign" % "feign-okhttp" % "10.12" % "compile",
+      "io.github.openfeign" % "feign-okhttp" % "13.5" % "compile",
 {{#jackson}}
       "com.fasterxml.jackson.core" % "jackson-core" % "2.17.1" % "compile",
       "com.fasterxml.jackson.core" % "jackson-annotations" % "2.17.1" % "compile",
diff --git a/samples/client/echo_api/java/feign-gson/build.gradle b/samples/client/echo_api/java/feign-gson/build.gradle
index aa74efa510c..8ce798c575c 100644
--- a/samples/client/echo_api/java/feign-gson/build.gradle
+++ b/samples/client/echo_api/java/feign-gson/build.gradle
@@ -104,7 +104,7 @@ ext {
     swagger_annotations_version = "1.6.11"
     jackson_databind_nullable_version = "0.2.6"
     jakarta_annotation_version = "1.3.5"
-    feign_version = "10.12"
+    feign_version = "13.5"
     feign_form_version = "3.8.0"
     junit_version = "5.7.0"
     scribejava_version = "8.0.0"
diff --git a/samples/client/echo_api/java/feign-gson/build.sbt b/samples/client/echo_api/java/feign-gson/build.sbt
index e6b7d9eecd8..65b36479590 100644
--- a/samples/client/echo_api/java/feign-gson/build.sbt
+++ b/samples/client/echo_api/java/feign-gson/build.sbt
@@ -11,10 +11,10 @@ lazy val root = (project in file(".")).
     libraryDependencies ++= Seq(
       "io.swagger" % "swagger-annotations" % "1.6.11" % "compile",
       "com.google.code.findbugs" % "jsr305" % "3.0.2" % "compile",
-      "io.github.openfeign" % "feign-core" % "10.12" % "compile",
-      "io.github.openfeign" % "feign-slf4j" % "10.12" % "compile",
+      "io.github.openfeign" % "feign-core" % "13.5" % "compile",
+      "io.github.openfeign" % "feign-slf4j" % "13.5" % "compile",
       "io.github.openfeign.form" % "feign-form" % "3.8.0" % "compile",
-      "io.github.openfeign" % "feign-okhttp" % "10.12" % "compile",
+      "io.github.openfeign" % "feign-okhttp" % "13.5" % "compile",
       "com.github.scribejava" % "scribejava-core" % "8.0.0" % "compile",
       "com.brsanthu" % "migbase64" % "2.2" % "compile",
       "jakarta.annotation" % "jakarta.annotation-api" % "1.3.5" % "compile",
diff --git a/samples/client/petstore/java/feign-no-nullable/build.gradle b/samples/client/petstore/java/feign-no-nullable/build.gradle
index 7df6a10718d..3b3c185a1d1 100644
--- a/samples/client/petstore/java/feign-no-nullable/build.gradle
+++ b/samples/client/petstore/java/feign-no-nullable/build.gradle
@@ -105,7 +105,7 @@ ext {
     jackson_version = "2.17.1"
     jackson_databind_version = "2.17.1"
     jakarta_annotation_version = "1.3.5"
-    feign_version = "10.12"
+    feign_version = "13.5"
     feign_form_version = "3.8.0"
     junit_version = "5.7.0"
     scribejava_version = "8.0.0"
diff --git a/samples/client/petstore/java/feign-no-nullable/build.sbt b/samples/client/petstore/java/feign-no-nullable/build.sbt
index 1f85088e35a..202c26e8922 100644
--- a/samples/client/petstore/java/feign-no-nullable/build.sbt
+++ b/samples/client/petstore/java/feign-no-nullable/build.sbt
@@ -11,11 +11,11 @@ lazy val root = (project in file(".")).
     libraryDependencies ++= Seq(
       "io.swagger" % "swagger-annotations" % "1.6.11" % "compile",
       "com.google.code.findbugs" % "jsr305" % "3.0.2" % "compile",
-      "io.github.openfeign" % "feign-core" % "10.12" % "compile",
-      "io.github.openfeign" % "feign-jackson" % "10.12" % "compile",
-      "io.github.openfeign" % "feign-slf4j" % "10.12" % "compile",
+      "io.github.openfeign" % "feign-core" % "13.5" % "compile",
+      "io.github.openfeign" % "feign-jackson" % "13.5" % "compile",
+      "io.github.openfeign" % "feign-slf4j" % "13.5" % "compile",
       "io.github.openfeign.form" % "feign-form" % "3.8.0" % "compile",
-      "io.github.openfeign" % "feign-okhttp" % "10.12" % "compile",
+      "io.github.openfeign" % "feign-okhttp" % "13.5" % "compile",
       "com.fasterxml.jackson.core" % "jackson-core" % "2.17.1" % "compile",
       "com.fasterxml.jackson.core" % "jackson-annotations" % "2.17.1" % "compile",
       "com.fasterxml.jackson.core" % "jackson-databind" % "2.17.1" % "compile",
diff --git a/samples/client/petstore/java/feign/build.gradle b/samples/client/petstore/java/feign/build.gradle
index 5ccd73ddaf0..07a486b9dad 100644
--- a/samples/client/petstore/java/feign/build.gradle
+++ b/samples/client/petstore/java/feign/build.gradle
@@ -106,7 +106,7 @@ ext {
     jackson_databind_version = "2.17.1"
     jackson_databind_nullable_version = "0.2.6"
     jakarta_annotation_version = "1.3.5"
-    feign_version = "10.12"
+    feign_version = "13.5"
     feign_form_version = "3.8.0"
     junit_version = "5.7.0"
     scribejava_version = "8.0.0"
diff --git a/samples/client/petstore/java/feign/build.sbt b/samples/client/petstore/java/feign/build.sbt
index 30086a46ebc..0fad7e2fa93 100644
--- a/samples/client/petstore/java/feign/build.sbt
+++ b/samples/client/petstore/java/feign/build.sbt
@@ -11,11 +11,11 @@ lazy val root = (project in file(".")).
     libraryDependencies ++= Seq(
       "io.swagger" % "swagger-annotations" % "1.6.11" % "compile",
       "com.google.code.findbugs" % "jsr305" % "3.0.2" % "compile",
-      "io.github.openfeign" % "feign-core" % "10.12" % "compile",
-      "io.github.openfeign" % "feign-jackson" % "10.12" % "compile",
-      "io.github.openfeign" % "feign-slf4j" % "10.12" % "compile",
+      "io.github.openfeign" % "feign-core" % "13.5" % "compile",
+      "io.github.openfeign" % "feign-jackson" % "13.5" % "compile",
+      "io.github.openfeign" % "feign-slf4j" % "13.5" % "compile",
       "io.github.openfeign.form" % "feign-form" % "3.8.0" % "compile",
-      "io.github.openfeign" % "feign-okhttp" % "10.12" % "compile",
+      "io.github.openfeign" % "feign-okhttp" % "13.5" % "compile",
       "com.fasterxml.jackson.core" % "jackson-core" % "2.17.1" % "compile",
       "com.fasterxml.jackson.core" % "jackson-annotations" % "2.17.1" % "compile",
       "com.fasterxml.jackson.core" % "jackson-databind" % "2.17.1" % "compile",