diff --git a/.gitea/workflows/on_push.yaml b/.gitea/workflows/on_push.yaml
index af20cbf..65b0d5a 100644
--- a/.gitea/workflows/on_push.yaml
+++ b/.gitea/workflows/on_push.yaml
@@ -25,7 +25,8 @@ jobs:
       run: ls -lah .pio/build/ESP32_INA233/ .pio/build/ESP32_INA226/
     - name: Upload firmware binary for INA233
       run: |
-        VERSION=$(cat version)
+        VERSION=$(sed -n 's/#define current_version Version{[[:space:]]*\([0-9]\+\),[[:space:]]*\([0-9]\+\),[[:space:]]*\([0-9]\+\)}/\1.\2.\3/p' src/global_data/defines.h)
+        echo "Extracted version: $VERSION"
 
         curl -X PUT \
           -H "Content-Type: application/octet-stream" \
@@ -34,7 +35,8 @@ jobs:
 
     - name: Upload firmware binary for INA226
       run: |
-        VERSION=$(cat version)
+        VERSION=$(sed -n 's/#define current_version Version{[[:space:]]*\([0-9]\+\),[[:space:]]*\([0-9]\+\),[[:space:]]*\([0-9]\+\)}/\1.\2.\3/p' src/global_data/defines.h)
+        echo "Extracted version: $VERSION"
 
         curl -X PUT \
           -H "Content-Type: application/octet-stream" \
diff --git a/lib/fetchOTA/fetchOTA.cpp b/lib/fetchOTA/fetchOTA.cpp
index 9c03fad..b23d8fa 100644
--- a/lib/fetchOTA/fetchOTA.cpp
+++ b/lib/fetchOTA/fetchOTA.cpp
@@ -7,6 +7,8 @@
 #include <HTTPClient.h>
 
 #include <vector>
+#include <ArduinoLog.h>
+#include <HTTPUpdate.h>
 
 
 OTA::OTA(String server_url, String currentVersion, String currentDeviceConfiguration) {
@@ -71,6 +73,36 @@ Firmware OTA::createErrorResponse(const String& errorMsg) {
     };
 }
 
+void OTA::run_ota_update(String url) {
+    Log.verbose("Starting OTA upgrade");
+    HTTPUpdate httpUpdate;
+    httpUpdate.onStart(update_started);
+    httpUpdate.onEnd(update_finished);
+    httpUpdate.onProgress(update_progress);
+    httpUpdate.onError(update_error);
+    Serial.println("RUNNING OTA");
+    
+    WiFiClientSecure client;
+    client.setInsecure();
+    
+    t_httpUpdate_return ret = httpUpdate.update(client, "https://iot.tobiasmaier.me/firmware/waterlevel/INA233/1_1_1.bin");
+    // t_httpUpdate_return ret = httpUpdate.update(client, "https://iot.tobiasmaier.me", 443, "/firmware/waterlevel/INA233/1_0_1.bin");
+
+    switch (ret) {
+        case HTTP_UPDATE_FAILED:
+          Serial.printf("HTTP_UPDATE_FAILED Error (%d): %s\n", httpUpdate.getLastError(), httpUpdate.getLastErrorString().c_str());
+          break;
+  
+        case HTTP_UPDATE_NO_UPDATES:
+          Serial.println("HTTP_UPDATE_NO_UPDATES");
+          break;
+  
+        case HTTP_UPDATE_OK:
+          Serial.println("HTTP_UPDATE_OK");
+          break;
+      }
+}
+
 
 
 #endif
\ No newline at end of file
diff --git a/src/global_data/defines.h b/src/global_data/defines.h
index 42c3a95..c576e37 100644
--- a/src/global_data/defines.h
+++ b/src/global_data/defines.h
@@ -5,5 +5,6 @@
 #define water_level_min_key "water_level_min"
 #define water_level_max_key "water_level_max"
 #define water_volume_key "water_volume"
+#define current_version Version{0, 0, 2}
 
 #define RESISTOR_VALUE 4
\ No newline at end of file
diff --git a/src/global_data/global_data.h b/src/global_data/global_data.h
index 7bab410..4201337 100644
--- a/src/global_data/global_data.h
+++ b/src/global_data/global_data.h
@@ -1,4 +1,5 @@
 #include <Arduino.h>
+#include <utils.h>
 
 #pragma once
 
@@ -37,4 +38,11 @@ struct ActiveErrors {
     bool current_high;
     bool level_low;
     bool level_high;
+};
+
+struct OTAStatus {
+    bool update_available;
+    Version current_version;
+    Version latest_version;
+    int update_progress;
 };
\ No newline at end of file
diff --git a/src/main.cpp b/src/main.cpp
index 6b09bd9..4aba952 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -59,33 +59,7 @@ void update_started() {
     Firmware fw = ota.getLatestVersionOnServer();
     Log.verbose("we are done");
     Serial.printf("Firmware Info: Valid: %d, Version: %d.%d.%d, URL: %s\n", fw.valid, fw.version.major, fw.version.minor, fw.version.patch, fw.url.c_str());
-    // Serial.println("RUNNING OTA");
-    // // WiFiClient client;
-    // httpUpdate.onStart(update_started);
-    // httpUpdate.onEnd(update_finished);
-    // httpUpdate.onProgress(update_progress);
-    // httpUpdate.onError(update_error);
-    // Serial.println("RUNNING OTA");
     
-    // WiFiClientSecure client;
-    // client.setInsecure();
-    
-    // t_httpUpdate_return ret = httpUpdate.update(client, "https://iot.tobiasmaier.me/firmware/waterlevel/INA233/1_1_1.bin");
-    // // t_httpUpdate_return ret = httpUpdate.update(client, "https://iot.tobiasmaier.me", 443, "/firmware/waterlevel/INA233/1_0_1.bin");
-
-    // switch (ret) {
-    //     case HTTP_UPDATE_FAILED:
-    //       Serial.printf("HTTP_UPDATE_FAILED Error (%d): %s\n", httpUpdate.getLastError(), httpUpdate.getLastErrorString().c_str());
-    //       break;
-  
-    //     case HTTP_UPDATE_NO_UPDATES:
-    //       Serial.println("HTTP_UPDATE_NO_UPDATES");
-    //       break;
-  
-    //     case HTTP_UPDATE_OK:
-    //       Serial.println("HTTP_UPDATE_OK");
-    //       break;
-    //   }
     vTaskDelete(NULL);
   }
 
diff --git a/version b/version
deleted file mode 100644
index 8a9ecc2..0000000
--- a/version
+++ /dev/null
@@ -1 +0,0 @@
-0.0.1
\ No newline at end of file