diff --git a/Examples/calcHREELS1.png b/Examples/calcHREELS1.png
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diff --git a/Examples/calcHREELS3.png b/Examples/calcHREELS3.png
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diff --git a/Examples/showHREELS2.png b/Examples/showHREELS2.png
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diff --git a/dist/libhreels-2.3.0-py2.py3-none-any.whl b/dist/libhreels-2.3.0-py2.py3-none-any.whl
new file mode 100644
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diff --git a/dist/libhreels-2.3.0-py3-none-any.whl b/dist/libhreels-2.3.0-py3-none-any.whl
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diff --git a/dist/libhreels-2.3.0.tar.gz b/dist/libhreels-2.3.0.tar.gz
new file mode 100644
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diff --git a/pyproject.toml b/pyproject.toml
index fb4c2c28ad5f72c40718d31e2d35676da251dd51..632df3da27d5315b3c216722a92801108d73fa76 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@ readme = "README.md"
 homepage = "https://gitlab.informatik.uni-halle.de/e3fm8/libhreels"
 
 
-[tool.poetry.dependencies]
+[poetry.group.dev.dependencies]
 importlib-metadata = {version = "^1.0", python = "<4.0"} 
 python = "^3.8"
 matplotlib = "^3.8"
@@ -22,7 +22,7 @@ PyQt5-Qt5 ="^5.15"
 
 #elog = {url = "https://github.com/paulscherrerinstitute/py_elog/archive/master.zip"}
 
-[tool.poetry.dev-dependencies]
+[tool.poetry.group.dev.dependencies]
 pytest = "^5.2"