diff --git a/README.md b/README.md
index cc844d7a3..c69d26151 100644
--- a/README.md
+++ b/README.md
@@ -53,9 +53,10 @@ In other cases you can contact the developer via email: <img src="https://raw.gi
 
 
 
-##### 10.5.1 - Stability Increase (2022-02-20)
+##### 10.5.2 - Stability Increase (2022-02-22)
 
-- **NEW 10.5.1:** Bug Fix: wrong return value, rate value & PreValue status, HTML: SSID & IP were not displayed 
+- **NEW 10.5.2:** Bug Fix: wrong `firmware.bin` (no rate update)
+- NEW 10.5.1: Bug Fix: wrong return value, rate value & PreValue status, HTML: SSID & IP were not displayed 
 - MQTT: changed wifi naming to "wifiRSSI"
 - HTML: check select able values for consistency
 - Refactoring of check postprocessing consistency (e.g. max rate, negative rate, ...)
diff --git a/code/components/jomjol_flowcontroll/ClassFlowPostProcessing.cpp b/code/components/jomjol_flowcontroll/ClassFlowPostProcessing.cpp
index b583823ca..f37d44a53 100644
--- a/code/components/jomjol_flowcontroll/ClassFlowPostProcessing.cpp
+++ b/code/components/jomjol_flowcontroll/ClassFlowPostProcessing.cpp
@@ -686,6 +686,7 @@ bool ClassFlowPostProcessing::doFlow(string zwtime)
                 NUMBERS[j]->ErrorMessageText = NUMBERS[j]->ErrorMessageText + "Rate too high - Read: " + RundeOutput(NUMBERS[j]->Value, NUMBERS[j]->Nachkomma) + " - Pre: " + RundeOutput(NUMBERS[j]->PreValue, NUMBERS[j]->Nachkomma);
                 NUMBERS[j]->Value = NUMBERS[j]->PreValue;
                 NUMBERS[j]->ReturnValue = "";
+                NUMBERS[j]->ReturnRateValue = "";
                 continue;
             }
         }
diff --git a/code/main/version.cpp b/code/main/version.cpp
index b9e504ced..34a3aeed2 100644
--- a/code/main/version.cpp
+++ b/code/main/version.cpp
@@ -1,4 +1,4 @@
-const char* GIT_REV="c07ef23";
+const char* GIT_REV="7187101";
 const char* GIT_TAG="";
 const char* GIT_BRANCH="master";
-const char* BUILD_TIME="2022-02-20 16:21";
\ No newline at end of file
+const char* BUILD_TIME="2022-02-22 19:05";
\ No newline at end of file
diff --git a/code/main/version.h b/code/main/version.h
index 58e6cc6d2..6c838710f 100644
--- a/code/main/version.h
+++ b/code/main/version.h
@@ -13,7 +13,7 @@ extern "C"
 #include "Helper.h"
 #include <fstream>
 
-const char* GIT_BASE_BRANCH = "master - v10.5.1 - 2022-02-20";
+const char* GIT_BASE_BRANCH = "master - v10.5.2 - 2022-02-22";
 
 
 const char* git_base_branch(void)
diff --git a/code/version.cpp b/code/version.cpp
index b9e504ced..34a3aeed2 100644
--- a/code/version.cpp
+++ b/code/version.cpp
@@ -1,4 +1,4 @@
-const char* GIT_REV="c07ef23";
+const char* GIT_REV="7187101";
 const char* GIT_TAG="";
 const char* GIT_BRANCH="master";
-const char* BUILD_TIME="2022-02-20 16:21";
\ No newline at end of file
+const char* BUILD_TIME="2022-02-22 19:05";
\ No newline at end of file
diff --git a/firmware/bootloader.bin b/firmware/bootloader.bin
index ae381bb1c..ae05db135 100644
Binary files a/firmware/bootloader.bin and b/firmware/bootloader.bin differ
diff --git a/firmware/firmware.bin b/firmware/firmware.bin
index 9f59ee11f..6314d0e3e 100644
Binary files a/firmware/firmware.bin and b/firmware/firmware.bin differ