diff --git a/examples/balance/gradle/wrapper/gradle-wrapper.properties b/examples/balance/gradle/wrapper/gradle-wrapper.properties
index ba94df8..a4b4429 100644
--- a/examples/balance/gradle/wrapper/gradle-wrapper.properties
+++ b/examples/balance/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/examples/encoding/gradle/wrapper/gradle-wrapper.properties b/examples/encoding/gradle/wrapper/gradle-wrapper.properties
index ba94df8..a4b4429 100644
--- a/examples/encoding/gradle/wrapper/gradle-wrapper.properties
+++ b/examples/encoding/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/examples/keys/gradle/wrapper/gradle-wrapper.properties b/examples/keys/gradle/wrapper/gradle-wrapper.properties
index 1b16c34..a4b4429 100644
--- a/examples/keys/gradle/wrapper/gradle-wrapper.properties
+++ b/examples/keys/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/examples/rpc/gradle/wrapper/gradle-wrapper.properties b/examples/rpc/gradle/wrapper/gradle-wrapper.properties
index ba94df8..a4b4429 100644
--- a/examples/rpc/gradle/wrapper/gradle-wrapper.properties
+++ b/examples/rpc/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/examples/runtime-explorer/gradle/wrapper/gradle-wrapper.properties b/examples/runtime-explorer/gradle/wrapper/gradle-wrapper.properties
index ba94df8..a4b4429 100644
--- a/examples/runtime-explorer/gradle/wrapper/gradle-wrapper.properties
+++ b/examples/runtime-explorer/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/examples/types/gradle/wrapper/gradle-wrapper.properties b/examples/types/gradle/wrapper/gradle-wrapper.properties
index ba94df8..a4b4429 100644
--- a/examples/types/gradle/wrapper/gradle-wrapper.properties
+++ b/examples/types/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists