diff --git a/arduino/library-arduino.json b/arduino/library-arduino.json
index 1899443a..e6485f26 100644
--- a/arduino/library-arduino.json
+++ b/arduino/library-arduino.json
@@ -1,6 +1,6 @@
 {
   "name": "Embedded Template Library ETL",
-  "version": "20.44.2",
+  "version": "20.45.0",
   "authors": {
     "name": "John Wellbelove",
     "email": "john.wellbelove@etlcpp.com"
diff --git a/arduino/library-arduino.properties b/arduino/library-arduino.properties
index e4799f0e..a63e6411 100644
--- a/arduino/library-arduino.properties
+++ b/arduino/library-arduino.properties
@@ -1,5 +1,5 @@
 name=Embedded Template Library ETL
-version=20.44.2
+version=20.45.0
 author= John Wellbelove <john.wellbelove@etlcpp.com>
 maintainer=John Wellbelove <john.wellbelove@etlcpp.com>
 license=MIT
diff --git a/include/etl/version.h b/include/etl/version.h
index 3309a7df..02e931b1 100644
--- a/include/etl/version.h
+++ b/include/etl/version.h
@@ -39,8 +39,8 @@ SOFTWARE.
 ///\ingroup utilities
 
 #define ETL_VERSION_MAJOR 20
-#define ETL_VERSION_MINOR 44
-#define ETL_VERSION_PATCH 2
+#define ETL_VERSION_MINOR 45
+#define ETL_VERSION_PATCH 0
 
 #define ETL_VERSION       ETL_STRING(ETL_VERSION_MAJOR) "." ETL_STRING(ETL_VERSION_MINOR) "." ETL_STRING(ETL_VERSION_PATCH)
 #define ETL_VERSION_W     ETL_WIDE_STRING(ETL_VERSION_MAJOR) L"." ETL_WIDE_STRING(ETL_VERSION_MINOR) L"." ETL_WIDE_STRING(ETL_VERSION_PATCH)
diff --git a/library.json b/library.json
index 887a37f3..7f66b3b7 100644
--- a/library.json
+++ b/library.json
@@ -1,6 +1,6 @@
 {
   "name": "Embedded Template Library",
-  "version": "20.44.2",
+  "version": "20.45.0",
   "authors": {
     "name": "John Wellbelove",
     "email": "john.wellbelove@etlcpp.com"
diff --git a/library.properties b/library.properties
index 59a1888c..16be9c21 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=Embedded Template Library
-version=20.44.2
+version=20.45.0
 author= John Wellbelove <john.wellbelove@etlcpp.com>
 maintainer=John Wellbelove <john.wellbelove@etlcpp.com>
 license=MIT
diff --git a/support/Release notes.txt b/support/Release notes.txt
index 7be7c7ae..d8ab88ea 100644
--- a/support/Release notes.txt	
+++ b/support/Release notes.txt	
@@ -1,12 +1,39 @@
 ===============================================================================
+20.45.0
+
+Issues:
+#1184 Request: Adding a method to check whether a etl::callback_timer_atomic is currently running
+#1189 Request: make useage of osMutexRobust in etl::mutex optional
+#1207 Monadic Operations for etl::expected
+#1240 Add redundant semicolon checks to CMakeLists.txt and fix issues
+#1241 Add -pedantic-errors to unit test CMakeLists.txt and fix issues
+#1242 Add begin() and end() to etl::optional
+
+Pull requests:
+#1232 Exception std based option
+#1235 Bugfixes for compile errors in optimized tests
+#1237 remove extra ;
+#1238 Various cleanup
+#1239 Indirect vector checks
+#1244 Fix no check macros
+#1245 Fix discrepancy with STL in max_element and minmax_element 
+#1246 Implement .begin() and .end() for etl::optional 
+#1251 Add etl::inplace_function
+#1252 Add ThreadX mutex support
+#1254 Make code base with tests compile under gcc-14
+#1255 Fix syntax errors in base64 test
+#1256 ivector swap
+
+
+===============================================================================
 20.44.2
 
 Updates:
 Replaced locally defined logical_not_t with etl::negation
 
 Fixes:
-#1228 unused parameter 'secure'
 #1224 Passing a const in optional::value_or() not compiling
+#1228 unused parameter 'secure'
 
 Pull Requests:
 #1210 Fixed span reinterpret_as should return fixed span
@@ -20,6 +47,7 @@ Pull Requests:
 #1226 Add missing include to optional
 #1229 variant_legacy.h: Rename template parameters
 #1231 Issue 1212 span constructor
+#1256 ivector swap
 
 ===============================================================================
 20.44.1
diff --git a/version.txt b/version.txt
index 3e132281..aae4b050 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-20.44.2
+20.45.0