diff --git a/arduino/library-arduino.json b/arduino/library-arduino.json
index 278c19a68..c75b3b088 100644
--- a/arduino/library-arduino.json
+++ b/arduino/library-arduino.json
@@ -1,6 +1,6 @@
 {
   "name": "Embedded Template Library - Arduino",
-  "version": "20.38.8",
+  "version": "20.38.9",
   "authors": {
     "name": "John Wellbelove",
     "email": "john.wellbelove@etlcpp.com"
diff --git a/arduino/library-arduino.properties b/arduino/library-arduino.properties
index e50e17684..86a3ef427 100644
--- a/arduino/library-arduino.properties
+++ b/arduino/library-arduino.properties
@@ -1,5 +1,5 @@
 name=Embedded Template Library - Arduino
-version=20.38.8
+version=20.38.9
 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 ee2d2e575..1a848d5fa 100644
--- a/include/etl/version.h
+++ b/include/etl/version.h
@@ -40,7 +40,7 @@ SOFTWARE.
 
 #define ETL_VERSION_MAJOR 20
 #define ETL_VERSION_MINOR 38
-#define ETL_VERSION_PATCH 8
+#define ETL_VERSION_PATCH 9
 
 #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 2ff070dca..9505586c5 100644
--- a/library.json
+++ b/library.json
@@ -1,6 +1,6 @@
 {
   "name": "Embedded Template Library",
-  "version": "20.38.8",
+  "version": "20.38.9",
   "authors": {
     "name": "John Wellbelove",
     "email": "john.wellbelove@etlcpp.com"
diff --git a/library.properties b/library.properties
index 5b8b8e876..229147958 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=Embedded Template Library
-version=20.38.8
+version=20.38.9
 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 5b8c1d69a..782cb499d 100644
--- a/support/Release notes.txt	
+++ b/support/Release notes.txt	
@@ -1,3 +1,8 @@
+===============================================================================
+20.38.9
+Added etl::crc1 (parity)
+#799 Iterator returned by crc.input() does not satisfy std::output_iterator
+
 ===============================================================================
 20.38.8
 #795 etl::private_variant doesn't fully respect the chosen error reporting.
diff --git a/version.txt b/version.txt
index 463cf7dd2..3b3640f49 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-20.38.8
+20.38.9