diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 3aea7ff..9f42c77 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -42,24 +42,3 @@ jobs:
 
       - run: npm install
       - run: PORT=12345 npm test
-
-  postgres-enabled:
-    name: Start FerretDB with Postgres
-
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Start FerretDB
-        uses: ./
-        with:
-          use-postgres: "true"
-
-      - name: Use Node.js
-        uses: actions/setup-node@v3
-        with:
-          node-version: 18
-
-      - run: npm install
-      - run: npm test
diff --git a/action.yml b/action.yml
index defd570..1a2925c 100644
--- a/action.yml
+++ b/action.yml
@@ -21,11 +21,6 @@ inputs:
     required: false
     default: "disabled"
 
-  use-postgres:
-    description: 'Configure FerretDB to use PostgreSQL (default "disabled")'
-    required: false
-    default: "false"
-
 runs:
   using: "docker"
   image: "Dockerfile"
@@ -33,4 +28,3 @@ runs:
     - ${{ inputs.ferretdb-version }}
     - ${{ inputs.ferretdb-port }}
     - ${{ inputs.ferretdb-telemetry }}
-    - ${{ inputs.use-postgres }}
diff --git a/start-ferretdb.sh b/start-ferretdb.sh
index 3a94ebb..05c8fbc 100644
--- a/start-ferretdb.sh
+++ b/start-ferretdb.sh
@@ -7,31 +7,19 @@ USE_POSTGRES=$4
 
 echo "Starting FerretDB version ${FERRETDB_VERSION} on port ${FERRETDB_PORT}"
 
-if [ "$USE_POSTGRES" = "true" ]; then
-  echo "Starting FerretDB with Postgres"
-
-  docker network create ferretdb
-
-  docker run --network ferretdb --name postgres \
-    -e POSTGRES_USER=username \
-    -e POSTGRES_PASSWORD=password \
-    -e POSTGRES_DB=ferretdb \
-    -d postgres
-
-  docker run --network ferretdb --name ferretdb \
-    -p $FERRETDB_PORT:27017 \
-    -e FERRETDB_POSTGRESQL_URL=postgres://username:password@postgres:5432/ferretdb?pool_max_conns=40 \
-    -e FERRETDB_TELEMETRY=$FERRETDB_TELEMETRY \
-    -d ghcr.io/ferretdb/ferretdb:$FERRETDB_VERSION
-else
-  echo "Starting FerretDB with sqlite"
-
-  docker run --name ferretdb \
-    -p $FERRETDB_PORT:27017 \
-    -e FERRETDB_HANDLER=sqlite \
-    -e FERRETDB_TELEMETRY=$FERRETDB_TELEMETRY \
-    -d ghcr.io/ferretdb/ferretdb:$FERRETDB_VERSION
-fi
+docker network create ferretdb
+
+docker run --network ferretdb --name postgres \
+  -e POSTGRES_USER=username \
+  -e POSTGRES_PASSWORD=password \
+  -e POSTGRES_DB=ferretdb \
+  -d ghcr.io/ferretdb/postgres-documentdb:latest
+
+docker run --network ferretdb --name ferretdb \
+  -p $FERRETDB_PORT:27017 \
+  -e FERRETDB_POSTGRESQL_URL=postgres://username:password@postgres:5432/ferretdb?pool_max_conns=40 \
+  -e FERRETDB_TELEMETRY=$FERRETDB_TELEMETRY \
+  -d ghcr.io/ferretdb/ferretdb:$FERRETDB_VERSION
 
 if [ $? -ne 0 ]; then
   echo "Error starting FerretDB Docker container"