diff --git a/example-api-cloud-clients-android/gradle/wrapper/gradle-wrapper.properties b/example-api-cloud-clients-android/gradle/wrapper/gradle-wrapper.properties
index b46e222..0af6a9c 100644
--- a/example-api-cloud-clients-android/gradle/wrapper/gradle-wrapper.properties
+++ b/example-api-cloud-clients-android/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-all.zip
diff --git a/example-api-cloud-clients/gradle/wrapper/gradle-wrapper.properties b/example-api-cloud-clients/gradle/wrapper/gradle-wrapper.properties
index 5c1b6c9..41dfb87 100644
--- a/example-api-cloud-clients/gradle/wrapper/gradle-wrapper.properties
+++ b/example-api-cloud-clients/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/example-client/gradle/wrapper/gradle-wrapper.properties b/example-client/gradle/wrapper/gradle-wrapper.properties
index 5c1b6c9..41dfb87 100644
--- a/example-client/gradle/wrapper/gradle-wrapper.properties
+++ b/example-client/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/example-server/gradle/wrapper/gradle-wrapper.properties b/example-server/gradle/wrapper/gradle-wrapper.properties
index 5c1b6c9..41dfb87 100644
--- a/example-server/gradle/wrapper/gradle-wrapper.properties
+++ b/example-server/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/generator-docker-runner/gradle/wrapper/gradle-wrapper.properties b/generator-docker-runner/gradle/wrapper/gradle-wrapper.properties
index a95009c..41dfb87 100644
--- a/generator-docker-runner/gradle/wrapper/gradle-wrapper.properties
+++ b/generator-docker-runner/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.9-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/generator/gradle/wrapper/gradle-wrapper.properties b/generator/gradle/wrapper/gradle-wrapper.properties
index 5c1b6c9..41dfb87 100644
--- a/generator/gradle/wrapper/gradle-wrapper.properties
+++ b/generator/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/showcase-test/gradle/wrapper/gradle-wrapper.properties b/showcase-test/gradle/wrapper/gradle-wrapper.properties
index 5c1b6c9..41dfb87 100644
--- a/showcase-test/gradle/wrapper/gradle-wrapper.properties
+++ b/showcase-test/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists