diff --git a/amazon-kendra-intelligent-ranking/build.gradle b/amazon-kendra-intelligent-ranking/build.gradle
index 02e31e2..311ef91 100644
--- a/amazon-kendra-intelligent-ranking/build.gradle
+++ b/amazon-kendra-intelligent-ranking/build.gradle
@@ -30,15 +30,6 @@ loggerUsageCheck.enabled = false
 validateNebulaPom.enabled = false
 
 buildscript {
-    ext {
-        isSnapshot = "true" == System.getProperty("build.snapshot", "true")
-        opensearch_version = System.getProperty("opensearch.version", "3.0.0")
-        plugin_version = opensearch_version
-        if (isSnapshot) {
-            opensearch_version += "-SNAPSHOT"
-        }
-    }
-
     repositories {
         mavenLocal()
         maven { url "https://aws.oss.sonatype.org/content/repositories/snapshots" }
diff --git a/amazon-personalize-ranking/build.gradle b/amazon-personalize-ranking/build.gradle
index 588270b..d73bfbc 100644
--- a/amazon-personalize-ranking/build.gradle
+++ b/amazon-personalize-ranking/build.gradle
@@ -31,15 +31,6 @@ loggerUsageCheck.enabled = false
 validateNebulaPom.enabled = false
 
 buildscript {
-    ext {
-        isSnapshot = "true" == System.getProperty("build.snapshot", "true")
-        opensearch_version = System.getProperty("opensearch.version", "3.0.0")
-        plugin_version = opensearch_version
-        if (isSnapshot) {
-            opensearch_version += "-SNAPSHOT"
-        }
-    }
-
     repositories {
         mavenLocal()
         maven { url "https://aws.oss.sonatype.org/content/repositories/snapshots" }
diff --git a/build.gradle b/build.gradle
new file mode 100644
index 0000000..3647cd1
--- /dev/null
+++ b/build.gradle
@@ -0,0 +1,8 @@
+ext {
+    isSnapshot = "true" == System.getProperty("build.snapshot", "true")
+    opensearch_version = System.getProperty("opensearch.version", "3.0.0")
+    plugin_version = opensearch_version
+    if (isSnapshot) {
+        opensearch_version += "-SNAPSHOT"
+    }
+}