diff --git a/backend/.env.development.example b/backend/.env.development.example
index c9f3cdbf..466e1b7b 100644
--- a/backend/.env.development.example
+++ b/backend/.env.development.example
@@ -4,7 +4,7 @@
 
 DWENGO_PORT=3000 # The port the backend will listen on
 DWENGO_DB_HOST=localhost
-DWENGO_DB_PORT=5432
+DWENGO_DB_PORT=5431
 DWENGO_DB_USERNAME=postgres
 DWENGO_DB_PASSWORD=postgres
 DWENGO_DB_UPDATE=true
diff --git a/backend/.env.example b/backend/.env.example
index 0a8f3994..bd13b54c 100644
--- a/backend/.env.example
+++ b/backend/.env.example
@@ -1,6 +1,6 @@
 DWENGO_PORT=3000 # The port the backend will listen on
 DWENGO_DB_HOST=domain-or-ip-of-database
-DWENGO_DB_PORT=5432
+DWENGO_DB_PORT=5431
 
 # Change this to the actual credentials of the user Dwengo should use in the backend
 DWENGO_DB_USERNAME=postgres
diff --git a/backend/.env.production.example b/backend/.env.production.example
index 1adf7d95..390409d1 100644
--- a/backend/.env.production.example
+++ b/backend/.env.production.example
@@ -1,6 +1,6 @@
 DWENGO_PORT=3000 # The port the backend will listen on
 DWENGO_DB_HOST=db # Name of the database container
-DWENGO_DB_PORT=5432
+DWENGO_DB_PORT=5431
 
 # Change this to the actual credentials of the user Dwengo should use in the backend
 DWENGO_DB_NAME=postgres
diff --git a/compose.yml b/compose.yml
index 2bb736bf..3c4bff9a 100644
--- a/compose.yml
+++ b/compose.yml
@@ -7,7 +7,7 @@ services:
     db:
         image: postgres:latest
         ports:
-            - '5432:5432'
+            - '5431:5432'
         restart: unless-stopped
         volumes:
             - dwengo_postgres_data:/var/lib/postgresql/data