diff --git a/packages/connect-migrate/src/cli.ts b/packages/connect-migrate/src/cli.ts
index 041ad907e..0ba39814e 100644
--- a/packages/connect-migrate/src/cli.ts
+++ b/packages/connect-migrate/src/cli.ts
@@ -19,7 +19,7 @@ import { parseCommandLineArgs } from "./arguments";
 import { scan } from "./lib/scan";
 import { Logger } from "./lib/logger";
 import { v0_13_1 } from "./migrations/v0.13.1";
-import { v1_16_0 } from "./migrations/v1.16.0";
+import { v1_6_0 } from "./migrations/v1.6.0";
 import type { Migration } from "./migration";
 
 const usage = `USAGE: connect-migrate [flags]
@@ -34,7 +34,7 @@ Flags:
 `;
 
 const logger = new Logger();
-const migrations = [v0_13_1, v1_16_0];
+const migrations = [v0_13_1, v1_6_0];
 void main();
 
 async function main() {
diff --git a/packages/connect-migrate/src/migrations/v0.13.1.spec.ts b/packages/connect-migrate/src/migrations/v0.13.1.spec.ts
index 4b552cc57..88e48ebbf 100644
--- a/packages/connect-migrate/src/migrations/v0.13.1.spec.ts
+++ b/packages/connect-migrate/src/migrations/v0.13.1.spec.ts
@@ -178,7 +178,7 @@ describe("migration", function () {
       expect(packageJsonWritten.length).toBe(1);
       expect(packageJsonWritten[0].pkg).toEqual({
         dependencies: {
-          "@connectrpc/connect": "^1.1.2",
+          "@connectrpc/connect": "^1.6.0",
         },
       });
       expect(lockFilesUpdated.length).toBe(1);
diff --git a/packages/connect-migrate/src/migrations/v0.13.1.ts b/packages/connect-migrate/src/migrations/v0.13.1.ts
index 0b5bbd5d4..28c6e658a 100644
--- a/packages/connect-migrate/src/migrations/v0.13.1.ts
+++ b/packages/connect-migrate/src/migrations/v0.13.1.ts
@@ -26,8 +26,8 @@ import { migrateSourceFiles } from "../lib/migrate-source-files";
 import { migratePackages } from "../lib/migrate-packages";
 import { migrateLockFiles } from "../lib/migrate-lock-files";
 
-export const targetVersionConnectEs = "1.1.2";
-export const targetVersionConnectQuery = "0.5.1";
+export const targetVersionConnectEs = "1.6.0";
+export const targetVersionConnectQuery = "1.4.2";
 
 /**
  * The latest available version of protoc-gen-connect-web is v0.11.0.
diff --git a/packages/connect-migrate/src/migrations/v1.16.0-transform.spec.ts b/packages/connect-migrate/src/migrations/v1.6.0-transform.spec.ts
similarity index 99%
rename from packages/connect-migrate/src/migrations/v1.16.0-transform.spec.ts
rename to packages/connect-migrate/src/migrations/v1.6.0-transform.spec.ts
index 6fe1a966c..5541984e6 100644
--- a/packages/connect-migrate/src/migrations/v1.16.0-transform.spec.ts
+++ b/packages/connect-migrate/src/migrations/v1.6.0-transform.spec.ts
@@ -13,7 +13,7 @@
 // limitations under the License.
 
 import jscodeshift from "jscodeshift";
-import transform from "./v1.16.0-transform";
+import transform from "./v1.6.0-transform";
 
 function t(
   source: string,
diff --git a/packages/connect-migrate/src/migrations/v1.16.0-transform.ts b/packages/connect-migrate/src/migrations/v1.6.0-transform.ts
similarity index 100%
rename from packages/connect-migrate/src/migrations/v1.16.0-transform.ts
rename to packages/connect-migrate/src/migrations/v1.6.0-transform.ts
diff --git a/packages/connect-migrate/src/migrations/v1.16.0.spec.ts b/packages/connect-migrate/src/migrations/v1.6.0.spec.ts
similarity index 85%
rename from packages/connect-migrate/src/migrations/v1.16.0.spec.ts
rename to packages/connect-migrate/src/migrations/v1.6.0.spec.ts
index 119bee5f0..5e1823327 100644
--- a/packages/connect-migrate/src/migrations/v1.16.0.spec.ts
+++ b/packages/connect-migrate/src/migrations/v1.6.0.spec.ts
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-import { v1_16_0 } from "./v1.16.0";
+import { v1_6_0 } from "./v1.6.0";
 import type { PackageJson } from "../lib/package-json";
 import type { MigrateOptions } from "../migration";
 
@@ -54,20 +54,20 @@ describe("migration", function () {
     };
   });
   describe("should be applicable", function () {
-    it("for 1.16.0", () => {
+    it("for 1.6.0", () => {
       opt.scanned.packageFiles = [
         {
           path: "package.json",
           pkg: {
             dependencies: {
-              "@connectrpc/connect": "^1.16.0",
+              "@connectrpc/connect": "^1.6.0",
             },
           },
         },
       ];
-      expect(v1_16_0.applicable(opt.scanned)).toBeTrue();
+      expect(v1_6_0.applicable(opt.scanned)).toBeTrue();
     });
-    it("after 1.16.0", () => {
+    it("after 1.6.0", () => {
       opt.scanned.packageFiles = [
         {
           path: "package.json",
@@ -78,22 +78,22 @@ describe("migration", function () {
           },
         },
       ];
-      expect(v1_16_0.applicable(opt.scanned)).toBeTrue();
+      expect(v1_6_0.applicable(opt.scanned)).toBeTrue();
     });
   });
   describe("should not be applicable", function () {
-    it("before 1.16.0", () => {
+    it("before 1.6.0", () => {
       opt.scanned.packageFiles = [
         {
           path: "package.json",
           pkg: {
             dependencies: {
-              "@connectrpc/connect": "^1.15.0",
+              "@connectrpc/connect": "^1.5.0",
             },
           },
         },
       ];
-      expect(v1_16_0.applicable(opt.scanned)).toBeFalse();
+      expect(v1_6_0.applicable(opt.scanned)).toBeFalse();
     });
     it("from 2.0.0", () => {
       opt.scanned.packageFiles = [
@@ -106,7 +106,7 @@ describe("migration", function () {
           },
         },
       ];
-      expect(v1_16_0.applicable(opt.scanned)).toBeFalse();
+      expect(v1_6_0.applicable(opt.scanned)).toBeFalse();
     });
   });
 });
diff --git a/packages/connect-migrate/src/migrations/v1.16.0.ts b/packages/connect-migrate/src/migrations/v1.6.0.ts
similarity index 94%
rename from packages/connect-migrate/src/migrations/v1.16.0.ts
rename to packages/connect-migrate/src/migrations/v1.6.0.ts
index afd60da06..20928e400 100644
--- a/packages/connect-migrate/src/migrations/v1.16.0.ts
+++ b/packages/connect-migrate/src/migrations/v1.6.0.ts
@@ -13,7 +13,7 @@
 // limitations under the License.
 
 import type { Scanned } from "../lib/scan";
-import replaceCalls from "./v1.16.0-transform";
+import replaceCalls from "./v1.6.0-transform";
 import type { MigrateError, MigrateSuccess, Migration } from "../migration";
 import { updateSourceFile } from "../lib/update-source-file";
 import { migrateSourceFiles } from "../lib/migrate-source-files";
@@ -23,7 +23,7 @@ import * as semver from "semver";
  * Migrates code to use new symbols `createClient` and `Client` instead
  * of `createPromiseClient` and `PromiseClient`.
  */
-export const v1_16_0: Migration = {
+export const v1_6_0: Migration = {
   applicable(scanned: Scanned) {
     return getMatchingPackages(scanned.packageFiles).length > 0;
   },
@@ -77,7 +77,7 @@ function getMatchingPackages(packageFiles: Scanned["packageFiles"]) {
           if (minVersion === null) {
             return false;
           }
-          return semver.satisfies(minVersion, "^1.16.0");
+          return semver.satisfies(minVersion, "^1.6.0");
         })
     ) {
       matched.push(packageFile);