diff --git a/Doc/doxygen/DoxyfileOpenBLT b/Doc/doxygen/DoxyfileOpenBLT
index 7791e3d5..47758498 100644
--- a/Doc/doxygen/DoxyfileOpenBLT
+++ b/Doc/doxygen/DoxyfileOpenBLT
@@ -38,7 +38,7 @@ PROJECT_NAME           = "OpenBLT Bootloader - Reference Manual"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.4.2
+PROJECT_NUMBER         = 1.4.3
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/Target/Demo/ARMCM0_STM32F0_Discovery_STM32F051_Keil/Boot/bin/openblt_stm32f051.axf b/Target/Demo/ARMCM0_STM32F0_Discovery_STM32F051_Keil/Boot/bin/openblt_stm32f051.axf
index a073a362..60d1b7a5 100644
Binary files a/Target/Demo/ARMCM0_STM32F0_Discovery_STM32F051_Keil/Boot/bin/openblt_stm32f051.axf and b/Target/Demo/ARMCM0_STM32F0_Discovery_STM32F051_Keil/Boot/bin/openblt_stm32f051.axf differ
diff --git a/Target/Demo/ARMCM0_STM32F0_Discovery_STM32F051_Keil/Boot/bin/openblt_stm32f051.srec b/Target/Demo/ARMCM0_STM32F0_Discovery_STM32F051_Keil/Boot/bin/openblt_stm32f051.srec
index 6f53a03f..2e5a249c 100644
--- a/Target/Demo/ARMCM0_STM32F0_Discovery_STM32F051_Keil/Boot/bin/openblt_stm32f051.srec
+++ b/Target/Demo/ARMCM0_STM32F0_Discovery_STM32F051_Keil/Boot/bin/openblt_stm32f051.srec
@@ -1,4 +1,4 @@
-S31508000000680B0020650100088B0100088D010008B7
+S31508000000280C0020650100088B0100088D010008F6
 S3150800001000000000000000000000000000000000D2
 S315080000200000000000000000000000008F0100082A
 S31508000030000000000000000091010008930100087C
@@ -24,10 +24,10 @@ S3150800016017F900000F4880F308880F480168090E40
 S315080001700E4A914205D10E480E4901600E480F49B4
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 S315080001F03CD4002243088B4231D303098B421CD3DB
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@@ -54,28 +54,28 @@ S31508000340050069465346C008C000854618B020B562
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 S315080004F010BD10B500F070FB10BD10B500F001F886
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@@ -116,7 +116,7 @@ S315080007200020FEBD0020FEBD0020FEBD10B50C4811
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@@ -139,14 +139,14 @@ S31508000890FFF72BFE0C2060434019007AB04204D1C2
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-S31508000940C0020020BC000020002000080B480168F7
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 S3150800096042695118806940180449C0310968081855
 S31508000970002801D000207047012070470020000899
@@ -154,8 +154,8 @@ S3150800098070B504460D4616462046FFF745FFFF2874
 S3150800099011D06019401EFFF73FFFFF280BD0600AF1
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@@ -166,7 +166,7 @@ S31508000A4008B5002000900E480168491C15D0416879
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 S31508000AA0022C12D1876854002E46A640B7438760A9
 S31508000AB04E79A64084682643866084889C43848051
@@ -187,11 +187,11 @@ S31508000B9003213846FFF7B0FF0C20009068464671DF
 S31508000BA0022101718471C57169463846FFF76CFFE9
 S31508000BB0FEBD00000008004810B5FF2101310248BB
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-S31508000BD0704700001000002010B500F077F90C4CA3
+S31508000BD070470000D000002010B500F077F90C4CE3
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@@ -220,7 +220,7 @@ S31508000DA0BF03BF0F0FD0326B9203920F012A0CD0EC
 S31508000DB0316B8903890F022909D0316B8903890FA1
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 S31508000E00034A116889088900014311607047000088
 S31508000E1000000140134911200860134841684160E9
@@ -235,12 +235,12 @@ S31508000E90016041683F22120491434160C16A090911
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 S31508000F400160704702460020D2690A4200D001209B
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@@ -268,8 +268,8 @@ S315080010A015FF61686431884200D965700020F8BD73
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@@ -282,50 +282,50 @@ S3150800118063655C41524D434D305F53544D3332468F
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@@ -339,10 +339,10 @@ S3150800151029FF0BE0FFF7DCFE08E0FFF715FF05E003
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@@ -356,8 +356,8 @@ S3150800162000600008000800000C00000000680008C0
 S31508001630000800000D000000007000080008000007
 S315080016400E00000000780008000800000F000000E7
 S315080016500080000800800000100000007C160008CA
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 S315080016900000000000000000000000000400000038
 S311080016A000000000000000000000000030
diff --git a/Target/Demo/ARMCM0_STM32F0_Discovery_STM32F051_Keil/Boot/stm32f051.sct b/Target/Demo/ARMCM0_STM32F0_Discovery_STM32F051_Keil/Boot/stm32f051.sct
index 723d237f..ef5e6901 100644
--- a/Target/Demo/ARMCM0_STM32F0_Discovery_STM32F051_Keil/Boot/stm32f051.sct
+++ b/Target/Demo/ARMCM0_STM32F0_Discovery_STM32F051_Keil/Boot/stm32f051.sct
@@ -8,7 +8,7 @@ LR_IROM1 0x08000000 0x00002000  {    ; load region size_region
    *(InRoot$$Sections)
    .ANY (+RO)
   }
-  RW_IRAM1 0x20000000 0x00002000  {  ; RW data
+  RW_IRAM1 0x200000C0 0x00001F40  {  ; RW data - first 192 bytes reserved by OpenBLT
    .ANY (+RW +ZI)
   }
 }
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_Keil/Boot/STM32F091.sct b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_Keil/Boot/STM32F091.sct
index e9c464ae..decffc33 100644
--- a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_Keil/Boot/STM32F091.sct
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_Keil/Boot/STM32F091.sct
@@ -8,7 +8,7 @@ LR_IROM1 0x08000000 0x00002000  {    ; load region size_region
    *(InRoot$$Sections)
    .ANY (+RO)
   }
-  RW_IRAM1 0x20000000 0x00008000  {  ; RW data
+  RW_IRAM1 0x200000C0 0x00007F40  {  ; RW data - first 192 bytes reserved by OpenBLT
    .ANY (+RW +ZI)
   }
 }
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_Keil/Boot/bin/openblt_stm32f091.axf b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_Keil/Boot/bin/openblt_stm32f091.axf
index a3e130fd..3aab9dd4 100644
Binary files a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_Keil/Boot/bin/openblt_stm32f091.axf and b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_Keil/Boot/bin/openblt_stm32f091.axf differ
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_Keil/Boot/bin/openblt_stm32f091.srec b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_Keil/Boot/bin/openblt_stm32f091.srec
index 0e693c66..6d4ef440 100644
--- a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_Keil/Boot/bin/openblt_stm32f091.srec
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_Keil/Boot/bin/openblt_stm32f091.srec
@@ -1,4 +1,4 @@
-S31508000000680B0020610100088701000889010008C3
+S31508000000280C002061010008870100088901000802
 S3150800001000000000000000000000000000000000D2
 S315080000200000000000000000000000008B0100082E
 S3150800003000000000000000008D0100088F01000884
@@ -24,10 +24,10 @@ S315080001600F4880F308880F480168090E0E4A914225
 S3150800017005D10E480E4901600E480F4901600F4827
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 S315080001B001000000000001400000000019150008B9
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@@ -54,13 +54,13 @@ S315080003405346C008C000854618B020B5FFF722FFFF
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diff --git a/Target/Source/boot.h b/Target/Source/boot.h
index 7937e161..a862b39e 100644
--- a/Target/Source/boot.h
+++ b/Target/Source/boot.h
@@ -36,7 +36,7 @@
 /** \brief Minor version number of the bootloader core. */
 #define BOOT_VERSION_CORE_MINOR    (4u)
 /** \brief Patch number of the bootloader core. */
-#define BOOT_VERSION_CORE_PATCH    (2u)
+#define BOOT_VERSION_CORE_PATCH    (3u)
 
 
 /****************************************************************************************