diff --git a/Makefile b/Makefile
index afa1c14..1f32359 100644
--- a/Makefile
+++ b/Makefile
@@ -64,7 +64,7 @@ python-dist: python-clean python-wheels python-sdist
 	-python3 -m twine check src/dist/*
 
 python-testdeploy: python-dist
-	twine upload --repository-url https://test.pypi.org/legacy/ src/dist/*
+	twine upload --repository testpypi src/dist/*
 
 python-deploy: check python-dist
 	twine upload src/dist/*
diff --git a/src/CHANGELOG.txt b/src/CHANGELOG.txt
index a959a3f..85cd6c6 100644
--- a/src/CHANGELOG.txt
+++ b/src/CHANGELOG.txt
@@ -1,3 +1,10 @@
+0.7.4
+-----
+
+* Fix bug when deleting from flash - thanks @ali1234
+* Fix serial port in error message - thanks @ali1234
+* Fix image encoding - thanks @Daft-Freak
+
 0.7.3
 -----
 
diff --git a/src/README.md b/src/README.md
index c668065..bc1532a 100644
--- a/src/README.md
+++ b/src/README.md
@@ -118,6 +118,13 @@ Supported formats:
 
 # Changelog
 
+0.7.4
+-----
+
+* Fix bug when deleting from flash - thanks @ali1234
+* Fix serial port in error message - thanks @ali1234
+* Fix image encoding - thanks @Daft-Freak
+
 0.7.3
 -----
 
diff --git a/src/setup.cfg b/src/setup.cfg
index d58ec57..aff3d79 100644
--- a/src/setup.cfg
+++ b/src/setup.cfg
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 [metadata]
 name = 32blit
-version = 0.7.3
+version = 0.7.4
 author = Philip Howard
 author_email = phil@pimoroni.com
 description = 32Blit asset preparation and upload tools
diff --git a/src/ttblit/__init__.py b/src/ttblit/__init__.py
index 4d09cc4..60bb6a3 100644
--- a/src/ttblit/__init__.py
+++ b/src/ttblit/__init__.py
@@ -1,5 +1,5 @@
 
-__version__ = '0.7.3'
+__version__ = '0.7.4'
 
 import logging