diff --git a/codegen/gradle.properties b/codegen/gradle.properties
deleted file mode 100644
index 5b1ac930..00000000
--- a/codegen/gradle.properties
+++ /dev/null
@@ -1,2 +0,0 @@
-smithyVersion=[1.48.0,2.0)
-smithyGradleVersion=1.0.0
diff --git a/codegen/settings.gradle.kts b/codegen/settings.gradle.kts
index e79595fd..ab75cdc5 100644
--- a/codegen/settings.gradle.kts
+++ b/codegen/settings.gradle.kts
@@ -26,6 +26,6 @@ pluginManagement {
     }
     val smithyGradleVersion: String by settings
     plugins {
-        id("software.amazon.smithy.gradle.smithy-base").version(smithyGradleVersion)
+        id("software.amazon.smithy.gradle.smithy-base").version("1.1.0")
     }
 }
diff --git a/codegen/smithy-aws-python-codegen/build.gradle.kts b/codegen/smithy-aws-python-codegen/build.gradle.kts
index 14e78d25..5671b679 100644
--- a/codegen/smithy-aws-python-codegen/build.gradle.kts
+++ b/codegen/smithy-aws-python-codegen/build.gradle.kts
@@ -7,21 +7,7 @@ description = "Generates AWS Python code from Smithy models"
 extra["displayName"] = "Smithy :: AWS :: Python :: Codegen"
 extra["moduleName"] = "software.amazon.smithy.aws.python.codegen"
 
-val smithyVersion: String by project
-
-buildscript {
-    val smithyVersion: String by project
-
-    repositories {
-        mavenLocal()
-        mavenCentral()
-    }
-    dependencies {
-        "classpath"("software.amazon.smithy:smithy-cli:$smithyVersion")
-    }
-}
-
 dependencies {
     implementation(project(":smithy-python-codegen"))
-    implementation("software.amazon.smithy:smithy-aws-traits:$smithyVersion")
+    implementation("software.amazon.smithy:smithy-aws-traits:1.52.0")
 }
diff --git a/codegen/smithy-python-codegen-test/build.gradle.kts b/codegen/smithy-python-codegen-test/build.gradle.kts
index 91201f09..a9ffefd6 100644
--- a/codegen/smithy-python-codegen-test/build.gradle.kts
+++ b/codegen/smithy-python-codegen-test/build.gradle.kts
@@ -26,10 +26,8 @@ repositories {
     mavenCentral()
 }
 
-val smithyVersion: String by project
-
 dependencies {
     implementation(project(":smithy-python-codegen"))
-    implementation("software.amazon.smithy:smithy-waiters:$smithyVersion")
-    implementation("software.amazon.smithy:smithy-protocol-test-traits:$smithyVersion")
+    implementation("software.amazon.smithy:smithy-waiters:1.52.0")
+    implementation("software.amazon.smithy:smithy-protocol-test-traits:1.52.0")
 }
diff --git a/codegen/smithy-python-codegen/build.gradle.kts b/codegen/smithy-python-codegen/build.gradle.kts
index 0e5f171b..b868c9ae 100644
--- a/codegen/smithy-python-codegen/build.gradle.kts
+++ b/codegen/smithy-python-codegen/build.gradle.kts
@@ -17,24 +17,10 @@ description = "Generates Python code from Smithy models"
 extra["displayName"] = "Smithy :: Python :: Codegen"
 extra["moduleName"] = "software.amazon.smithy.python.codegen"
 
-val smithyVersion: String by project
-
-buildscript {
-    val smithyVersion: String by project
-
-    repositories {
-        mavenLocal()
-        mavenCentral()
-    }
-    dependencies {
-        "classpath"("software.amazon.smithy:smithy-cli:$smithyVersion")
-    }
-}
-
 dependencies {
-    api("software.amazon.smithy:smithy-codegen-core:$smithyVersion")
-    implementation("software.amazon.smithy:smithy-waiters:$smithyVersion")
-    implementation("software.amazon.smithy:smithy-protocol-test-traits:$smithyVersion")
+    api("software.amazon.smithy:smithy-codegen-core:1.52.0")
+    implementation("software.amazon.smithy:smithy-waiters:1.52.0")
+    implementation("software.amazon.smithy:smithy-protocol-test-traits:1.52.0")
     // We have this because we're using RestJson1 as a 'generic' protocol.
-    implementation("software.amazon.smithy:smithy-aws-traits:$smithyVersion")
+    implementation("software.amazon.smithy:smithy-aws-traits:1.52.0")
 }
diff --git a/codegen/smithy-python-protocol-test/build.gradle.kts b/codegen/smithy-python-protocol-test/build.gradle.kts
index 7cce5c4f..8cb7545b 100644
--- a/codegen/smithy-python-protocol-test/build.gradle.kts
+++ b/codegen/smithy-python-protocol-test/build.gradle.kts
@@ -26,9 +26,7 @@ repositories {
     mavenCentral()
 }
 
-val smithyVersion: String by project
-
 dependencies {
     implementation(project(":smithy-python-codegen"))
-    implementation("software.amazon.smithy:smithy-aws-protocol-tests:$smithyVersion")
+    implementation("software.amazon.smithy:smithy-aws-protocol-tests:1.52.0")
 }