diff --git a/include/etl/version.h b/include/etl/version.h
index 6a69a1f7..6b446f42 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 5
+#define ETL_VERSION_PATCH 6
 
 #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 faaa6819..56cf3425 100644
--- a/library.json
+++ b/library.json
@@ -1,6 +1,6 @@
 {
   "name": "Embedded Template Library",
-  "version": "20.38.5",
+  "version": "20.38.6",
   "authors": {
     "name": "John Wellbelove",
     "email": "john.wellbelove@etlcpp.com"
diff --git a/library.properties b/library.properties
index e84ed3de..107b8b6d 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=Embedded Template Library
-version=20.38.5
+version=20.38.6
 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 73c068e4..5e7eac02 100644
--- a/support/Release notes.txt	
+++ b/support/Release notes.txt	
@@ -1,3 +1,7 @@
+===============================================================================
+#777 Allow Building Tests as Submodule and GCC < 11
+Refactored etl::swap for maximum efficiency.
+
 ===============================================================================
 #776 Add missing semicolons
 
diff --git a/version.txt b/version.txt
index a53fd65d..857dc9a4 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-20.38.5
+20.38.6