diff --git a/.github/workflows/providers-sequelize-terraform.yaml b/.github/workflows/providers-sequelize-terraform.yaml
index 1e3bee2..e813968 100644
--- a/.github/workflows/providers-sequelize-terraform.yaml
+++ b/.github/workflows/providers-sequelize-terraform.yaml
@@ -18,19 +18,19 @@ jobs:
   atlas:
     services:
       # Spin up a mysql:8 container to be used as the dev-database for analysis.
-      mysql:
-        image: mysql:8
+      postgres:
+        image: postgres:15
         env:
-          MYSQL_DATABASE: dev
-          MYSQL_ROOT_PASSWORD: pass
+          POSTGRES_DB: dev
+          POSTGRES_PASSWORD: pass
         ports:
-          - 3306:3306
+          - 5432:5432
         options: >-
-          --health-cmd "mysqladmin ping -ppass"
+          --health-cmd pg_isready
           --health-interval 10s
           --health-start-period 10s
           --health-timeout 5s
-          --health-retries 10
+          --health-retries 5
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -43,7 +43,7 @@ jobs:
         with:
           dir: 'file://providers/sequelize-terraform/migrations'
           dir-name: 'sequelize'
-          dev-url: "mysql://root:pass@localhost:3306/dev"
+          dev-url: postgres://postgres:pass@localhost:5432/dev?sslmode=disable
         env:
           GITHUB_TOKEN: ${{ github.token }}
       - uses: ariga/atlas-action/migrate/push@v1
@@ -51,7 +51,4 @@ jobs:
         with:
           dir: 'file://atlashcl/gcp-secrets/migrations'
           dir-name: 'sequelize'
-          dev-url: "mysql://root:pass@localhost:3306/dev"
-
-
-
+          dev-url: postgres://postgres:pass@localhost:5432/dev?sslmode=disable
\ No newline at end of file
diff --git a/providers/sequelize-terraform/atlas.hcl b/providers/sequelize-terraform/atlas.hcl
index 203d663..e84ffa0 100644
--- a/providers/sequelize-terraform/atlas.hcl
+++ b/providers/sequelize-terraform/atlas.hcl
@@ -4,13 +4,13 @@ data "external_schema" "sequelize" {
         "@ariga/atlas-provider-sequelize",
         "load",
         "--path", "./model",
-        "--dialect", "mysql", // mariadb | postgres | sqlite | mssql
+        "--dialect", "postgres", // mariadb | postgres | sqlite | mssql
     ]
 }
 
 env "sequelize" {
     src = data.external_schema.sequelize.url
-    dev = "docker://mysql/8/dev"
+    dev = "docker://postgres/15/dev"
     migration {
         dir = "file://migrations"
     }
diff --git a/providers/sequelize-terraform/migrations/20231130133839.sql b/providers/sequelize-terraform/migrations/20231130133839.sql
deleted file mode 100644
index 89d838a..0000000
--- a/providers/sequelize-terraform/migrations/20231130133839.sql
+++ /dev/null
@@ -1,20 +0,0 @@
--- Create "Users" table
-CREATE TABLE `Users` (
-  `id` int NOT NULL AUTO_INCREMENT,
-  `name` varchar(255) NOT NULL,
-  `email` varchar(255) NOT NULL,
-  `createdAt` datetime NOT NULL,
-  `updatedAt` datetime NOT NULL,
-  PRIMARY KEY (`id`)
-) CHARSET utf8mb4 COLLATE utf8mb4_0900_ai_ci;
--- Create "Tasks" table
-CREATE TABLE `Tasks` (
-  `id` int NOT NULL AUTO_INCREMENT,
-  `complete` bool NULL DEFAULT 0,
-  `createdAt` datetime NOT NULL,
-  `updatedAt` datetime NOT NULL,
-  `userID` int NOT NULL,
-  PRIMARY KEY (`id`),
-  INDEX `userID` (`userID`),
-  CONSTRAINT `Tasks_ibfk_1` FOREIGN KEY (`userID`) REFERENCES `Users` (`id`) ON UPDATE CASCADE ON DELETE NO ACTION
-) CHARSET utf8mb4 COLLATE utf8mb4_0900_ai_ci;
diff --git a/providers/sequelize-terraform/migrations/20231130144552.sql b/providers/sequelize-terraform/migrations/20231130144552.sql
deleted file mode 100644
index c258aa6..0000000
--- a/providers/sequelize-terraform/migrations/20231130144552.sql
+++ /dev/null
@@ -1,2 +0,0 @@
--- Modify "Users" table
-ALTER TABLE `Users` ADD COLUMN `hobby` varchar(255) NOT NULL;
diff --git a/providers/sequelize-terraform/migrations/20231201152237.sql b/providers/sequelize-terraform/migrations/20231201152237.sql
new file mode 100644
index 0000000..7558b3b
--- /dev/null
+++ b/providers/sequelize-terraform/migrations/20231201152237.sql
@@ -0,0 +1,20 @@
+-- Create "Users" table
+CREATE TABLE "public"."Users" (
+  "id" serial NOT NULL,
+  "name" character varying(255) NOT NULL,
+  "email" character varying(255) NOT NULL,
+  "hobby" character varying(255) NOT NULL,
+  "createdAt" timestamptz NOT NULL,
+  "updatedAt" timestamptz NOT NULL,
+  PRIMARY KEY ("id")
+);
+-- Create "Tasks" table
+CREATE TABLE "public"."Tasks" (
+  "id" serial NOT NULL,
+  "complete" boolean NULL DEFAULT false,
+  "createdAt" timestamptz NOT NULL,
+  "updatedAt" timestamptz NOT NULL,
+  "userID" integer NOT NULL,
+  PRIMARY KEY ("id"),
+  CONSTRAINT "Tasks_userID_fkey" FOREIGN KEY ("userID") REFERENCES "public"."Users" ("id") ON UPDATE CASCADE ON DELETE NO ACTION
+);
diff --git a/providers/sequelize-terraform/migrations/atlas.sum b/providers/sequelize-terraform/migrations/atlas.sum
index 02617e3..f772e2c 100644
--- a/providers/sequelize-terraform/migrations/atlas.sum
+++ b/providers/sequelize-terraform/migrations/atlas.sum
@@ -1,3 +1,2 @@
-h1:pwDJzAI2IQmaCd7lUwhKRPj/nYuN8O+eGE7BbFBkcus=
-20231130133839.sql h1:MmMtplD4lbMmtYQzORgEcktY7yiMORWIbMao9BrvSP8=
-20231130144552.sql h1:ZCugFXvthlNK3gDP3X2qe7TSsiQRfnn3DNyEm+abDBA=
+h1:RseNocc4jAWBiVp1cMse8n9j1RGFFDBgJ7Vu7d6/lj8=
+20231201152237.sql h1:7wzcw/Hqw1mXWux14NjE71rkO0bjlS/g/JSlXoxzlOY=