diff --git a/CHANGELOG.md b/CHANGELOG.md
index af73b818..078837e8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,14 @@
-# SA - 3.1.2.0 1/19/2022:
+# SA - 3.1.2.1 3/29/2023:
+- Updates for Lift export:
+    - Added tone
+- Added an installer for OCX Mircrosoft Hierarchical Flex Grid
+- Developer Changes:
+    - Fixed project dependencies for LiftUtilsTest and WaveUtilsTest
+    - Updated parse-langtags dependencies
+    - Update langtags schema for _conformance
+    - Update iso639.txt
+
+# SA - 3.1.2.0 1/19/2023:
 - Fixed function key bindings for menu playback functions
 - Developer Changes:
     - Generate iso639.txt with GitHub action
diff --git a/Install/SpeechAnalyzer.iss b/Install/SpeechAnalyzer.iss
index e341b23b..cccb04ce 100644
--- a/Install/SpeechAnalyzer.iss
+++ b/Install/SpeechAnalyzer.iss
@@ -2,7 +2,7 @@
 ; SEE THE DOCUMENTATION FOR DETAILS ON CREATING INNO SETUP SCRIPT FILES!
 
 #define MyAppName "Speech Analyzer"
-#define MyAppVersion "3.1.2.0"
+#define MyAppVersion "3.1.2.1"
 #define MyAppPublisher "SIL International, Inc."
 #define MyAppURL "https://software.sil.org/speech-analyzer/"
 #define MyAppExeName "SA.exe"
diff --git a/Src/Lang/SA_DEU.rc b/Src/Lang/SA_DEU.rc
index e055b006..10a6f141 100644
--- a/Src/Lang/SA_DEU.rc
+++ b/Src/Lang/SA_DEU.rc
@@ -26,7 +26,7 @@ LANGUAGE LANG_NEUTRAL, SUBLANG_NEUTRAL
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 3,1,2,0
+ FILEVERSION 3,1,2,1
  PRODUCTVERSION 2,0,0,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
@@ -44,7 +44,7 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "SIL International"
             VALUE "FileDescription", "Speech Analyzer Resource DLL"
-            VALUE "FileVersion", "v3.1.2.0"
+            VALUE "FileVersion", "v3.1.2.1"
             VALUE "InternalName", "SA_DEU"
             VALUE "LegalCopyright", "(C) 1996-2023 SIL International"
             VALUE "OriginalFilename", "SA_DEU.dll"
diff --git a/Src/Lang/SA_ENU.rc b/Src/Lang/SA_ENU.rc
index 5d1f2afe..31017c5a 100644
--- a/Src/Lang/SA_ENU.rc
+++ b/Src/Lang/SA_ENU.rc
@@ -26,7 +26,7 @@ LANGUAGE LANG_NEUTRAL, SUBLANG_NEUTRAL
 //
 
 VS_VERSION_INFO VERSIONINFO
-FILEVERSION 3, 1, 2, 0
+FILEVERSION 3, 1, 2, 1
 PRODUCTVERSION 2, 0, 0, 0
 FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
@@ -44,7 +44,7 @@ BLOCK "040904e4"
 BEGIN
 VALUE "CompanyName", "SIL International"
 VALUE "FileDescription", "Speech Analyzer Resource DLL"
-VALUE "FileVersion", "v3.1.2.0"
+VALUE "FileVersion", "v3.1.2.1"
 VALUE "InternalName", "SA_ENU"
 VALUE "LegalCopyright", "(C) 1996-2023 SIL International"
 VALUE "OriginalFilename", "SA_ENU.dll"
diff --git a/Src/SA/SA.rc b/Src/SA/SA.rc
index 10f46732..03afc4f3 100644
Binary files a/Src/SA/SA.rc and b/Src/SA/SA.rc differ
diff --git a/Src/SA/Sa_Doc.cpp b/Src/SA/Sa_Doc.cpp
index 6b32159a..ab506bf7 100644
--- a/Src/SA/Sa_Doc.cpp
+++ b/Src/SA/Sa_Doc.cpp
@@ -7302,7 +7302,7 @@ void CSaDoc::DoExportLift(CExportLiftSettings & settings) {
 	Lift13::header header(L"header");
 	header.fields = fields;
 
-	Lift13::lift document(L"Speech Analyzer 3.1.2.0");
+	Lift13::lift document(L"Speech Analyzer 3.1.2.1");
 	document.header = header;
 
 	ExportSegments(settings, document, skipEmptyGloss, szPath, dataCount, wavCount);