diff --git a/codegen/generic-client-test-codegen/build.gradle.kts b/codegen/generic-client-test-codegen/build.gradle.kts
index da69f9602b98..06ecf446bbae 100644
--- a/codegen/generic-client-test-codegen/build.gradle.kts
+++ b/codegen/generic-client-test-codegen/build.gradle.kts
@@ -30,8 +30,8 @@ buildscript {
 }
 
 plugins {
-    val smithyGradleVersion: String by project
-    id("software.amazon.smithy").version(smithyGradleVersion)
+    val smithyPluginVersion: String by project
+    id("software.amazon.smithy").version(smithyPluginVersion)
 }
 
 dependencies {
diff --git a/codegen/gradle.properties b/codegen/gradle.properties
index 7222c0ff2b94..5ad2b7030f34 100644
--- a/codegen/gradle.properties
+++ b/codegen/gradle.properties
@@ -1,2 +1,3 @@
 smithyVersion=1.53.0
-smithyGradleVersion=0.6.0
+smithyGradleVersion=1.2.0
+smithyPluginVersion=0.6.0
\ No newline at end of file
diff --git a/codegen/protocol-test-codegen/build.gradle.kts b/codegen/protocol-test-codegen/build.gradle.kts
index 4906051deb30..8c65e15e61ba 100644
--- a/codegen/protocol-test-codegen/build.gradle.kts
+++ b/codegen/protocol-test-codegen/build.gradle.kts
@@ -30,8 +30,8 @@ buildscript {
 }
 
 plugins {
-    val smithyGradleVersion: String by project
-    id("software.amazon.smithy").version(smithyGradleVersion)
+    val smithyPluginVersion: String by project
+    id("software.amazon.smithy").version(smithyPluginVersion)
 }
 
 dependencies {
diff --git a/codegen/sdk-codegen/build.gradle.kts b/codegen/sdk-codegen/build.gradle.kts
index f44c63022f03..abf28d79d2f1 100644
--- a/codegen/sdk-codegen/build.gradle.kts
+++ b/codegen/sdk-codegen/build.gradle.kts
@@ -38,8 +38,8 @@ buildscript {
 }
 
 plugins {
-    val smithyGradleVersion: String by project
-    id("software.amazon.smithy").version(smithyGradleVersion)
+    val smithyPluginVersion: String by project
+    id("software.amazon.smithy").version(smithyPluginVersion)
 }
 
 dependencies {
diff --git a/codegen/settings.gradle.kts b/codegen/settings.gradle.kts
index 1bc44fa3ec79..59c84108466e 100644
--- a/codegen/settings.gradle.kts
+++ b/codegen/settings.gradle.kts
@@ -35,3 +35,17 @@ file(
             .filter { it.isDirectory }
             .forEach { includeBuild(it.absolutePath) }
     }
+
+pluginManagement {
+    val smithyGradleVersion: String by settings
+    plugins {
+        id("software.amazon.smithy.gradle.smithy-jar").version(smithyGradleVersion)
+        id("software.amazon.smithy.gradle.smithy-base").version(smithyGradleVersion)
+    }
+
+    repositories {
+        mavenLocal()
+        mavenCentral()
+        gradlePluginPortal()
+    }
+}
\ No newline at end of file