diff --git a/scripts/on_sd_start.bat b/scripts/on_sd_start.bat
index 88c3de43..368a4ce1 100644
--- a/scripts/on_sd_start.bat
+++ b/scripts/on_sd_start.bat
@@ -103,7 +103,13 @@ if "%ERRORLEVEL%" EQU "0" (
     )
 )
 
-python -c "from importlib.metadata import version; print('sdkit version:', version('sdkit'))"
+call python -c "from importlib.metadata import version; print('sdkit version:', version('sdkit'))"
+
+@rem upgrade stable-diffusion-sdkit
+call pip install --upgrade stable-diffusion-sdkit -q || (
+    echo "Error updating stable-diffusion-sdkit"
+)
+call python -c "from importlib.metadata import version; print('stable-diffusion version:', version('stable-diffusion-sdkit'))"
 
 @rem install rich
 call python ..\scripts\check_modules.py rich
diff --git a/scripts/on_sd_start.sh b/scripts/on_sd_start.sh
index 01f2a9e2..c582b07f 100755
--- a/scripts/on_sd_start.sh
+++ b/scripts/on_sd_start.sh
@@ -92,6 +92,10 @@ fi
 
 python -c "from importlib.metadata import version; print('sdkit version:', version('sdkit'))"
 
+# upgrade stable-diffusion-sdkit
+pip install --upgrade stable-diffusion-sdkit -q
+python -c "from importlib.metadata import version; print('stable-diffusion version:', version('stable-diffusion-sdkit'))"
+
 # install rich
 if python ../scripts/check_modules.py rich; then
     echo "rich has already been installed."