diff --git a/README.md b/README.md
index 1fbd072..785d0d1 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ Usage
 ```Groovy
 
 plugins {
-  id "com.github.vontikov.sbe-generator-plugin" version "0.0.8"
+  id "com.github.vontikov.sbe-generator-plugin" version "0.0.9"
 }
 ```
 
@@ -38,7 +38,7 @@ buildscript {
     }
   }
   dependencies {
-    classpath "com.github.vontikov:sbe-generator-plugin:0.0.8"
+    classpath "com.github.vontikov:sbe-generator-plugin:0.0.9"
   }
 }
 
diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 62dbb10..ef9f21c 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,3 +1,9 @@
+v0.0.9
+------
+
+ - Upgrade to SBE 1.31.1
+ - Disable schema validation by default
+
 v0.0.8
 ------
 
diff --git a/build.gradle b/build.gradle
index cdca691..e5a75b6 100644
--- a/build.gradle
+++ b/build.gradle
@@ -57,14 +57,6 @@ configurations {
 }
 
 dependencies {
-//  implementation 'org.codehaus.groovy:groovy-all:3.0.8'
-//  implementation gradleApi()
-//  implementation localGroovy()
-
-//  testImplementation 'junit:junit:4.13.2'
-//  testImplementation 'org.hamcrest:hamcrest-all:1.3'
-
-//  testImplementation 'org.junit.jupiter:junit-jupiter:5.9.3'
   testImplementation(platform('org.junit:junit-bom:5.10.0'))
   testImplementation('org.junit.jupiter:junit-jupiter')
   testImplementation 'org.hamcrest:hamcrest-library:2.2'
diff --git a/gradle.properties b/gradle.properties
index 99e903c..18ffe25 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,3 +1,3 @@
 artifact_name=sbe-generator-plugin
 artifact_group=com.github.vontikov
-artifact_version=0.0.8
+artifact_version=0.0.9
diff --git a/src/main/groovy/com/github/vontikov/Const.groovy b/src/main/groovy/com/github/vontikov/Const.groovy
index 73e2b4e..2e739f8 100644
--- a/src/main/groovy/com/github/vontikov/Const.groovy
+++ b/src/main/groovy/com/github/vontikov/Const.groovy
@@ -2,7 +2,7 @@ package com.github.vontikov
 
 final class Const {
 
-    static final DEFAULT_SBE_VERSION = '1.29.0'
+    static final DEFAULT_SBE_VERSION = '1.31.1'
 
     static final PLUGIN_ID = 'sbe.generator'
     static final PLUGIN_GROUP = 'SBE Generator'
@@ -45,7 +45,7 @@ final class Const {
     static final DEFAULT_JAVA_SOURCE_COMPATIBILITY = '1.8'
     static final DEFAULT_JAVA_TARGET_COMPATIBILITY = '1.8'
 
-    static final DEFAULT_SHOULD_VALIDATE = true
+    static final DEFAULT_SHOULD_VALIDATE = false
 
     static final PROJECT_PROPERTY_SBE_VERSION = 'sbe_version'
 
diff --git a/src/main/groovy/com/github/vontikov/SbeGeneratorPlugin.groovy b/src/main/groovy/com/github/vontikov/SbeGeneratorPlugin.groovy
index b147318..d5f440a 100644
--- a/src/main/groovy/com/github/vontikov/SbeGeneratorPlugin.groovy
+++ b/src/main/groovy/com/github/vontikov/SbeGeneratorPlugin.groovy
@@ -98,6 +98,9 @@ class SbeGeneratorPlugin implements Plugin<Project> {
             main = 'uk.co.real_logic.sbe.SbeTool'
             args = input
             classpath = sbeClasspath
+
+            println "JavaExec systemProperties: ${props}"
+            println "JavaExec args: ${input}"
         }
     }
 
diff --git a/src/test/resources/projects/generator/build.gradle b/src/test/resources/projects/generator/build.gradle
index 80e8782..91b696c 100644
--- a/src/test/resources/projects/generator/build.gradle
+++ b/src/test/resources/projects/generator/build.gradle
@@ -2,5 +2,5 @@ plugins {
   id 'com.github.vontikov.sbe-generator-plugin'
 }
 
-group   = 'test-group' 
-version = '1.2.3' 
+group   = 'test-group'
+version = '1.2.3'
diff --git a/src/test/resources/projects/validator/build.gradle b/src/test/resources/projects/validator/build.gradle
index 4d7995a..5e5373b 100644
--- a/src/test/resources/projects/validator/build.gradle
+++ b/src/test/resources/projects/validator/build.gradle
@@ -1,3 +1,7 @@
 plugins {
   id 'com.github.vontikov.sbe-generator-plugin'
 }
+
+sbeGenerator {
+  shouldValidate = true
+}