diff --git a/.changeset/resolve-betterauth-drizzle-conflict.md b/.changeset/resolve-betterauth-drizzle-conflict.md
new file mode 100644
index 0000000000..180f0e55e8
--- /dev/null
+++ b/.changeset/resolve-betterauth-drizzle-conflict.md
@@ -0,0 +1,5 @@
+---
+"create-t3-app": patch
+---
+
+fix: resolve BetterAuth and Drizzle Kit dependency conflict
\ No newline at end of file
diff --git a/cli/package.json b/cli/package.json
index f7e9b24b2f..e0cdb82381 100644
--- a/cli/package.json
+++ b/cli/package.json
@@ -64,6 +64,7 @@
   "devDependencies": {
     "@auth/drizzle-adapter": "^1.1.0",
     "@auth/prisma-adapter": "^1.6.0",
+    "@better-auth/drizzle-adapter": "^1.6.6",
     "@libsql/client": "^0.14.0",
     "@planetscale/database": "^1.19.0",
     "@prisma/adapter-planetscale": "^6.6.0",
@@ -78,8 +79,8 @@
     "@types/fs-extra": "^11.0.4",
     "@types/gradient-string": "^1.1.6",
     "@types/node": "^24.10.1",
-    "better-auth": "^1.3",
-    "drizzle-kit": "^0.30.5",
+    "better-auth": "^1.6.6",
+    "drizzle-kit": "^0.31.10",
     "drizzle-orm": "^0.41.0",
     "mysql2": "^3.11.0",
     "next": "^15.5.9",
diff --git a/cli/src/installers/betterAuth.ts b/cli/src/installers/betterAuth.ts
index 9e92d681b7..4c248000ab 100644
--- a/cli/src/installers/betterAuth.ts
+++ b/cli/src/installers/betterAuth.ts
@@ -17,7 +17,7 @@ export const betterAuthInstaller: Installer = ({
 
   const deps: AvailableDependencies[] = ["better-auth"];
   if (usingPrisma) deps.push("@auth/prisma-adapter");
-  if (usingDrizzle) deps.push("@auth/drizzle-adapter");
+  if (usingDrizzle) deps.push("@better-auth/drizzle-adapter");
 
   addPackageDependency({
     projectDir,
diff --git a/cli/src/installers/dependencyVersionMap.ts b/cli/src/installers/dependencyVersionMap.ts
index dd738069f9..fef5896236 100644
--- a/cli/src/installers/dependencyVersionMap.ts
+++ b/cli/src/installers/dependencyVersionMap.ts
@@ -9,7 +9,8 @@ export const dependencyVersionMap = {
   "@auth/drizzle-adapter": "^1.7.2",
 
   // Better-Auth
-  "better-auth": "^1.3",
+  "better-auth": "^1.6.6",
+  "@better-auth/drizzle-adapter": "^1.6.6",
 
   // Prisma
   prisma: "^6.6.0",
@@ -17,7 +18,7 @@ export const dependencyVersionMap = {
   "@prisma/adapter-planetscale": "^6.6.0",
 
   // Drizzle
-  "drizzle-kit": "^0.30.5",
+  "drizzle-kit": "^0.31.10",
   "drizzle-orm": "^0.41.0",
   mysql2: "^3.11.0",
   "@planetscale/database": "^1.19.0",
diff --git a/cli/template/extras/src/server/better-auth/config/with-drizzle.ts b/cli/template/extras/src/server/better-auth/config/with-drizzle.ts
index b0a86371d1..4c54809494 100644
--- a/cli/template/extras/src/server/better-auth/config/with-drizzle.ts
+++ b/cli/template/extras/src/server/better-auth/config/with-drizzle.ts
@@ -1,5 +1,5 @@
 import { betterAuth } from "better-auth";
-import { drizzleAdapter } from "better-auth/adapters/drizzle";
+import { drizzleAdapter } from "@better-auth/drizzle-adapter";
 import { nextCookies } from "better-auth/next-js";
 
 import { env } from "~/env";