diff --git a/back/root/bo/build.gradle b/back/root/bo/build.gradle
index 8048a82..fe986e0 100644
--- a/back/root/bo/build.gradle
+++ b/back/root/bo/build.gradle
@@ -7,7 +7,7 @@ repositories {
 
 
 dependencies {
-	compile 'com.gsitm.ustra.java.starter:ustra-starter-vue-bo:2.0.40.RELEASE'
+	compile "com.gsitm.ustra.java.starter:ustra-starter-vue-bo:${ustraVersion}"
     compile project(":cmm")
 }
 
diff --git a/back/root/build.gradle b/back/root/build.gradle
index 606fc6c..d0d1a48 100644
--- a/back/root/build.gradle
+++ b/back/root/build.gradle
@@ -1,6 +1,7 @@
 buildscript {
     ext {
         springBootVersion = '2.2.5.RELEASE'
+        ustraVersion = '2.0.41.RELEASE'
         set('springCloudVersion', "Hoxton.SR3")
     }
 
diff --git a/back/root/cmm/build.gradle b/back/root/cmm/build.gradle
index 77d95a9..df016de 100644
--- a/back/root/cmm/build.gradle
+++ b/back/root/cmm/build.gradle
@@ -7,7 +7,7 @@ repositories {
 
 
 dependencies {
-    compile 'com.gsitm.ustra.java.starter:ustra-starter-restapi:2.0.40.RELEASE'
+    compile "com.gsitm.ustra.java.starter:ustra-starter-restapi:${ustraVersion}"
 }
 
 
diff --git a/back/root/fo/build.gradle b/back/root/fo/build.gradle
index d97eb1a..65174e1 100644
--- a/back/root/fo/build.gradle
+++ b/back/root/fo/build.gradle
@@ -7,10 +7,10 @@ repositories {
 
 
 dependencies {
-	compile 'com.gsitm.ustra.java.starter:ustra-starter-restapi:2.0.40.RELEASE'
-	compile 'com.gsitm.ustra.java:ustra-mvc-view:2.0.40.RELEASE'
-	compile 'com.gsitm.ustra.java:ustra-data-mybatis:2.0.40.RELEASE'
-	compile 'com.gsitm.ustra.java:ustra-security-jwt:2.0.40.RELEASE'
+	compile "com.gsitm.ustra.java.starter:ustra-starter-restapi:${ustraVersion}"
+	compile "com.gsitm.ustra.java:ustra-mvc-view:${ustraVersion}"
+	compile "com.gsitm.ustra.java:ustra-data-mybatis:${ustraVersion}"
+	compile "com.gsitm.ustra.java:ustra-security-jwt:${ustraVersion}"
     compile project(":cmm")
 }