diff --git a/include/Animation/AnimationController.h b/include/Animation/AnimationController.h
index c497a2b..3ed4c1b 100644
--- a/include/Animation/AnimationController.h
+++ b/include/Animation/AnimationController.h
@@ -4,7 +4,7 @@
 
 #include "Animation.h"
 
-#include <FreeRTOS.h>
+#include <freertos/FreeRTOS.h>
 #include <freertos/semphr.h>
 
 
diff --git a/include/Fader.h b/include/Fader.h
index cd1713b..0ddc823 100644
--- a/include/Fader.h
+++ b/include/Fader.h
@@ -2,6 +2,8 @@
 
 #include <vector>
 
+#include <cstdint>
+
 class Fader
 {
     public:
diff --git a/include/UpdateServer.h b/include/UpdateServer.h
index 1912209..65bdaa9 100644
--- a/include/UpdateServer.h
+++ b/include/UpdateServer.h
@@ -2,7 +2,7 @@
 
 #include <string>
 
-#include <FreeRTOS.h>
+#include <freertos/FreeRTOS.h>
 #include <freertos/semphr.h>
 
 #include "ChallengeResponse.h"
diff --git a/include/WebServer.h b/include/WebServer.h
index 054fe28..46760b0 100644
--- a/include/WebServer.h
+++ b/include/WebServer.h
@@ -4,7 +4,7 @@
 #include <HTTPResponse.hpp>
 #include <HTTPServer.hpp>
 
-#include <FreeRTOS.h>
+#include <freertos/FreeRTOS.h>
 #include <freertos/semphr.h>
 
 #include "ChallengeResponse.h"
diff --git a/platformio.ini b/platformio.ini
index cc8d280..2515b85 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -9,14 +9,14 @@
 ; https://docs.platformio.org/page/projectconf.html
 
 [env:nodemcu-32s]
-platform = espressif32
+platform = espressif32 @ 5.2.0
 board = nodemcu-32s
 framework = arduino
 
 monitor_speed = 115200
 
 lib_deps =
-  ESP32 Digital RGB LED Drivers
-  esp32_https_server
+  ESP32 Digital RGB LED Drivers @ 1.5.4
+  esp32_https_server @ 1.0.0
 
-build_flags = -std=c++11
\ No newline at end of file
+build_flags = -std=c++11
diff --git a/src/WebServer.cpp b/src/WebServer.cpp
index fe9ed61..9e2670a 100644
--- a/src/WebServer.cpp
+++ b/src/WebServer.cpp
@@ -115,13 +115,12 @@ void WebServer::handleColor(httpsserver::HTTPRequest *req, httpsserver::HTTPResp
 
     httpsserver::ResourceParameters * params = req->getParams();
 
-    if(!params->isRequestParameterSet("color")) {
+    std::string colorstr;
+    if(!params->getQueryParameter("color", colorstr)) {
         error400(res, "Parameter 'color' not set.");
         return;
     }
 
-    std::string colorstr = params->getRequestParameter("color");
-
     Fader::Color color;
     std::string errorMessage;
     if(!parseColor(colorstr, &color, &errorMessage)) {
@@ -150,17 +149,18 @@ void WebServer::handleSetAnim(httpsserver::HTTPRequest *req, httpsserver::HTTPRe
 
     httpsserver::ResourceParameters * params = req->getParams();
 
-    if(!params->isRequestParameterSet("anim")) {
+    std::string animstr;
+    if(!params->getQueryParameter("anim", animstr)) {
         error400(res, "Parameter 'anim' not set.");
         return;
     }
 
-    std::istringstream animstr(params->getRequestParameter("anim"));
+    std::istringstream animstream(animstr);
 
     uint32_t anim_id;
-    animstr >> anim_id;
+    animstream >> anim_id;
 
-    if(animstr.bad() || animstr.fail()) {
+    if(animstream.bad() || animstream.fail()) {
         error400(res, "Parameter 'anim' could not be parsed as number.");
         return;
     }
@@ -203,16 +203,10 @@ void WebServer::handleText(httpsserver::HTTPRequest *req, httpsserver::HTTPRespo
 
     httpsserver::ResourceParameters * params = req->getParams();
 
-    if(!params->isRequestParameterSet("text")) {
-        error400(res, "Required parameter 'text' not set.");
-        return;
-    }
-
     Fader::Color color;
 
-    if(params->isRequestParameterSet("color")) {
-        std::string colorstr = params->getRequestParameter("color");
-
+    std::string colorstr;
+    if(params->getQueryParameter("color", colorstr)) {
         std::string errorMessage;
         if(!parseColor(colorstr, &color, &errorMessage)) {
             error400(res, errorMessage);
@@ -222,8 +216,14 @@ void WebServer::handleText(httpsserver::HTTPRequest *req, httpsserver::HTTPRespo
         color = Fader::Color{0, 0, 0, 32};
     }
 
+    std::string text;
+    if(!params->getQueryParameter("text", text)) {
+        error400(res, "Required parameter 'text' not set.");
+        return;
+    }
+
     Bitmap bmp;
-    Font::textToBitmap(params->getRequestParameter("text").c_str(), &bmp, color);
+    Font::textToBitmap(text.c_str(), &bmp, color);
 
     WebServer::instance().m_animController->changeAnimation(
         std::unique_ptr<Animation>(
@@ -237,7 +237,7 @@ void WebServer::handleUpdate(httpsserver::HTTPRequest *req, httpsserver::HTTPRes
 
     httpsserver::ResourceParameters * params = req->getParams();
 
-    if(!params->isRequestParameterSet("content")) {
+    if(!params->isQueryParameterSet("content")) {
         error400(res, "Send update image as 'content'.");
     }
 
@@ -290,12 +290,12 @@ void WebServer::handleAuthTest(httpsserver::HTTPRequest *req, httpsserver::HTTPR
 
     httpsserver::ResourceParameters * params = req->getParams();
 
-    if(!params->isRequestParameterSet("response")) {
+    std::string response;
+    if(!params->getQueryParameter("response", response)) {
         error400(res, "Parameter 'response' not set.");
         return;
     }
 
-    std::string response = params->getRequestParameter("response");
     bool result = WebServer::instance().m_cr.verify(response);
 
     if(result) {
diff --git a/src/main.cpp b/src/main.cpp
index 320f936..41fdcbd 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -6,7 +6,7 @@
 #include <WiFiMulti.h>
 #include <SPIFFS.h>
 
-#include <FreeRTOS.h>
+#include <freertos/FreeRTOS.h>
 #include <freertos/semphr.h>
 
 #include "WebServer.h"
@@ -193,6 +193,8 @@ static void ledFSM(void)
         // UDP packet received -> transition to UDP state
         nextState = UDP;
         ledState = TRANSITION;
+        // ensure the correct animation plays after UDP transfers stop
+        animController.changeAnimation(loadSavedAnimation(), false);
       }
 
       // change to last used animation after some time