diff --git a/install/install-tk.iss b/install/install-tk.iss
index 7e03440cf..8e0e4f7b8 100644
--- a/install/install-tk.iss
+++ b/install/install-tk.iss
@@ -3,11 +3,11 @@
 ; AppID can never be changed as subsequent installations require the same installation ID each time
 AppID=FHIRToolkit
 AppName=Health Intersections FHIR Toolkit
-AppVerName=FHIRToolkit v3.4.37
+AppVerName=FHIRToolkit v3.4.38
 
 ; compilation control
 OutputDir=..\install\build
-OutputBaseFilename=fhirtoolkit-win64-3.4.37
+OutputBaseFilename=fhirtoolkit-win64-3.4.38
 Compression=lzma2/ultra64
 
 ; 64 bit
@@ -32,11 +32,11 @@ UninstallFilesDir={app}\uninstall
 ; win2000+ add/remove programs support
 AppPublisher=Health Intersections P/L
 AppPublisherURL=http://www.healthintersections.com.au
-AppVersion=3.4.37
+AppVersion=3.4.38
 AppSupportURL=https://github.com/grahamegrieve/fhirserver
 AppUpdatesURL=https://github.com/grahamegrieve/fhirserver
 AppCopyright=Copyright (c) Health Intersections Pty Ltd 2020+
-VersionInfoVersion=3.4.37.0
+VersionInfoVersion=3.4.38.0
 
 ; dialog support
 LicenseFile=..\license
diff --git a/install/install.iss b/install/install.iss
index c52e2f5b6..15a944a66 100644
--- a/install/install.iss
+++ b/install/install.iss
@@ -3,11 +3,11 @@
 ; AppID can never be changed as subsequent installations require the same installation ID each time
 AppID=FHIRServer
 AppName=Health Intersections FHIR Server
-AppVerName=FHIRServer v3.4.37
+AppVerName=FHIRServer v3.4.38
 
 ; compilation control
 OutputDir=..\install\build
-OutputBaseFilename=fhirserver-win64-3.4.37
+OutputBaseFilename=fhirserver-win64-3.4.38
 Compression=lzma2/ultra64
 
 ; 64 bit
@@ -34,11 +34,11 @@ UninstallFilesDir={app}\uninstall
 ; win2000+ add/remove programs support
 AppPublisher=Health Intersections P/L
 AppPublisherURL=http://www.healthintersections.com.au
-AppVersion=3.4.37
+AppVersion=3.4.38
 AppSupportURL=https://github.com/grahamegrieve/fhirserver
 AppUpdatesURL=https://github.com/grahamegrieve/fhirserver
 AppCopyright=Copyright (c) Health Intersections Pty Ltd 2011+
-VersionInfoVersion=3.4.37.0
+VersionInfoVersion=3.4.38.0
 
 ; dialog support
 LicenseFile=..\license
diff --git a/library/version.inc b/library/version.inc
index 3909baa5f..386dd4c61 100644
--- a/library/version.inc
+++ b/library/version.inc
@@ -1,3 +1,3 @@
- FHIR_CODE_FULL_VERSION = '3.4.38-SNAPSHOT';
- FHIR_CODE_RELEASE_DATE = '2024-12-29';
- FHIR_CODE_RELEASE_DATETIME = '20241229105750.106Z';
+ FHIR_CODE_FULL_VERSION = '3.4.39-SNAPSHOT';
+ FHIR_CODE_RELEASE_DATE = '2025-01-12';
+ FHIR_CODE_RELEASE_DATETIME = '20250112192355.498Z';
diff --git a/release-notes.md b/release-notes.md
index 765e62b0e..b3d636a04 100644
--- a/release-notes.md
+++ b/release-notes.md
@@ -1,10 +1,7 @@
 ## Change Notes:
 
-* Change tz code for unrecognised timezone to windows tz name
-* fix memory overrun
-* Add unknown systems for variant reasons to not recognise a code system
-* add SHL clean up
+* 
 
 ## Conformance Notes:
 
-* tx.fhir.org passed 297 HL7 terminology service tests (mode 'tx.fhir.org', tests v1.7.0, runner v6.5.5)
\ No newline at end of file
+* 
\ No newline at end of file
diff --git a/server/fhirconsole.lpi b/server/fhirconsole.lpi
index 5199d55cb..4876e87d6 100644
--- a/server/fhirconsole.lpi
+++ b/server/fhirconsole.lpi
@@ -18,7 +18,7 @@
     <VersionInfo>
       <MajorVersionNr Value="3"/>
       <MinorVersionNr Value="4"/>
-      <RevisionNr Value="37"/>
+      <RevisionNr Value="38"/>
       <Attributes pvaDebug="False"/>
     </VersionInfo>
     <BuildModes Count="8">
diff --git a/server/fhirserver.dproj b/server/fhirserver.dproj
index bdca7cf3c..1d6fb0251 100644
--- a/server/fhirserver.dproj
+++ b/server/fhirserver.dproj
@@ -92,7 +92,7 @@
     <VerInfo_IncludeVerInfo>true</VerInfo_IncludeVerInfo>
     <VerInfo_MajorVer>3</VerInfo_MajorVer>
     <VerInfo_MinorVer>4</VerInfo_MinorVer>
-    <VerInfo_Release>37</VerInfo_Release>
+    <VerInfo_Release>38</VerInfo_Release>
     <VerInfo_Debug>false</VerInfo_Debug>
   </PropertyGroup>
   <PropertyGroup Condition="&apos;$(Base_Win32)&apos;!=&apos;&apos;">
@@ -167,7 +167,7 @@
     <DCC_RangeChecking>true</DCC_RangeChecking>
     <DCC_DebugDCUs>false</DCC_DebugDCUs>
     <VerInfo_MajorVer>3</VerInfo_MajorVer>
-    <VerInfo_Release>37</VerInfo_Release>
+    <VerInfo_Release>38</VerInfo_Release>
     <AppDPIAwarenessMode>none</AppDPIAwarenessMode>
     <VerInfo_MinorVer>4</VerInfo_MinorVer>
     <VerInfo_Debug>false</VerInfo_Debug>
diff --git a/server/fhirserver.lpi b/server/fhirserver.lpi
index 88c561d8e..ea3fe4747 100644
--- a/server/fhirserver.lpi
+++ b/server/fhirserver.lpi
@@ -19,7 +19,7 @@
       <UseVersionInfo Value="True"/>
       <MajorVersionNr Value="3"/>
       <MinorVersionNr Value="4"/>
-      <RevisionNr Value="37"/>
+      <RevisionNr Value="38"/>
       <Attributes pvaDebug="False"/>
     </VersionInfo>
     <BuildModes Count="8">
diff --git a/toolkit2/fhirtoolkit.lpi b/toolkit2/fhirtoolkit.lpi
index 974a69ac6..a986842c9 100644
--- a/toolkit2/fhirtoolkit.lpi
+++ b/toolkit2/fhirtoolkit.lpi
@@ -17,7 +17,7 @@
       <UseVersionInfo Value="True"/>
       <MajorVersionNr Value="3"/>
       <MinorVersionNr Value="4"/>
-      <RevisionNr Value="37"/>
+      <RevisionNr Value="38"/>
       <Attributes pvaDebug="False"/>
     </VersionInfo>
     <BuildModes>