diff --git a/Makefile.mk b/Makefile.mk
index 7864e56..d3c8f2f 100644
--- a/Makefile.mk
+++ b/Makefile.mk
@@ -1,6 +1,6 @@
 SHELL := /bin/bash
 GITHUB_RUN_ID ?=123
-GRADLE_VERSION ?= 8.14.3
+GRADLE_VERSION ?= 9.0.0
 
 b:
 
diff --git a/good-feel/gradle/wrapper/gradle-wrapper.properties b/good-feel/gradle/wrapper/gradle-wrapper.properties
index d4081da..2a84e18 100644
--- a/good-feel/gradle/wrapper/gradle-wrapper.properties
+++ b/good-feel/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.0.0-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 18eab26..bef1bb1 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.0.0-bin.zip
 networkTimeout=10000
 validateDistributionUrl=false
 zipStoreBase=GRADLE_USER_HOME
diff --git a/plus/gradle/wrapper/gradle-wrapper.properties b/plus/gradle/wrapper/gradle-wrapper.properties
index d4081da..2a84e18 100644
--- a/plus/gradle/wrapper/gradle-wrapper.properties
+++ b/plus/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.0.0-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
diff --git a/whiskers-cloudnative/gradle/wrapper/gradle-wrapper.properties b/whiskers-cloudnative/gradle/wrapper/gradle-wrapper.properties
index 9291f8a..2362815 100644
--- a/whiskers-cloudnative/gradle/wrapper/gradle-wrapper.properties
+++ b/whiskers-cloudnative/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.0.0-bin.zip
 validateDistributionUrl=false
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/whiskers-graalvm/gradle/wrapper/gradle-wrapper.properties b/whiskers-graalvm/gradle/wrapper/gradle-wrapper.properties
index 9291f8a..2362815 100644
--- a/whiskers-graalvm/gradle/wrapper/gradle-wrapper.properties
+++ b/whiskers-graalvm/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.0.0-bin.zip
 validateDistributionUrl=false
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/whiskers-ktor-no-db/gradle/wrapper/gradle-wrapper.properties b/whiskers-ktor-no-db/gradle/wrapper/gradle-wrapper.properties
index d4081da..2a84e18 100644
--- a/whiskers-ktor-no-db/gradle/wrapper/gradle-wrapper.properties
+++ b/whiskers-ktor-no-db/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.0.0-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
diff --git a/whiskers-ktor/gradle/wrapper/gradle-wrapper.properties b/whiskers-ktor/gradle/wrapper/gradle-wrapper.properties
index d4081da..2a84e18 100644
--- a/whiskers-ktor/gradle/wrapper/gradle-wrapper.properties
+++ b/whiskers-ktor/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.0.0-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
diff --git a/whiskers-runners/gradle/wrapper/gradle-wrapper.properties b/whiskers-runners/gradle/wrapper/gradle-wrapper.properties
index d4081da..2a84e18 100644
--- a/whiskers-runners/gradle/wrapper/gradle-wrapper.properties
+++ b/whiskers-runners/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.0.0-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
diff --git a/whiskers-runners/whiskers-runners-graalvm/gradle/wrapper/gradle-wrapper.properties b/whiskers-runners/whiskers-runners-graalvm/gradle/wrapper/gradle-wrapper.properties
index d4081da..2a84e18 100644
--- a/whiskers-runners/whiskers-runners-graalvm/gradle/wrapper/gradle-wrapper.properties
+++ b/whiskers-runners/whiskers-runners-graalvm/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.0.0-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
diff --git a/whiskers-runners/whiskers-runners-knative/gradle/wrapper/gradle-wrapper.properties b/whiskers-runners/whiskers-runners-knative/gradle/wrapper/gradle-wrapper.properties
index d4081da..2a84e18 100644
--- a/whiskers-runners/whiskers-runners-knative/gradle/wrapper/gradle-wrapper.properties
+++ b/whiskers-runners/whiskers-runners-knative/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.0.0-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
diff --git a/whiskers-runners/whiskers-runners-native/gradle/wrapper/gradle-wrapper.properties b/whiskers-runners/whiskers-runners-native/gradle/wrapper/gradle-wrapper.properties
index d4081da..2a84e18 100644
--- a/whiskers-runners/whiskers-runners-native/gradle/wrapper/gradle-wrapper.properties
+++ b/whiskers-runners/whiskers-runners-native/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.0.0-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME