diff --git a/heatmap-tool/docker-compose.yml b/heatmap-tool/docker-compose.yml
index 9daa7b19..6a392936 100644
--- a/heatmap-tool/docker-compose.yml
+++ b/heatmap-tool/docker-compose.yml
@@ -4,7 +4,7 @@ services:
   backend:
     build: ./backend
     ports:
-      - "8000:8000"
+      - "8001:8000"
     volumes:
       - ./backend:/app
 
diff --git a/heatmap-tool/frontend/src/App.tsx b/heatmap-tool/frontend/src/App.tsx
index 59f86f57..5913075a 100644
--- a/heatmap-tool/frontend/src/App.tsx
+++ b/heatmap-tool/frontend/src/App.tsx
@@ -35,7 +35,7 @@ function App() {
     setIsLoading(true);
     setError(null);
     try {
-      const response = await axios.post('http://localhost:8000/api/heatmap', {
+      const response = await axios.post('http://localhost:8001/api/heatmap', {
         filters: selectedFilters,
       });
       setHeatmapData(response.data);
diff --git a/heatmap-tool/frontend/src/components/FileUpload.tsx b/heatmap-tool/frontend/src/components/FileUpload.tsx
index c5d4e180..436db851 100644
--- a/heatmap-tool/frontend/src/components/FileUpload.tsx
+++ b/heatmap-tool/frontend/src/components/FileUpload.tsx
@@ -39,7 +39,7 @@ const FileUpload: React.FC<FileUploadProps> = ({ onUploadSuccess, setIsLoading,
     setError(null);
 
     try {
-      const response = await axios.post('http://localhost:8000/api/upload', formData, {
+      const response = await axios.post('http://localhost:8001/api/upload', formData, {
         headers: {
           'Content-Type': 'multipart/form-data',
         },
diff --git a/readme.md b/readme.md
index eb78ffb6..5eaa0bdb 100644
--- a/readme.md
+++ b/readme.md
@@ -10,4 +10,4 @@ The application is located in the `heatmap-tool` directory. Please refer to the
 cd heatmap-tool
 ```
 
-Inside, you will find a self-contained project with its own `docker-compose.yml` for easy setup.
+Inside, you will find a self-contained project with its own `docker-compose.yml` for easy setup.
\ No newline at end of file