diff --git a/pyproject.toml b/pyproject.toml
index f2e5a7c08d7e111335193e831ded9df7451bdb6c..d9c84a64dd37dde827da148fba0e46e5616f3993 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,5 @@
 [build-system]
 requires = [
-    "numpy", "setuptools>=45", "wheel", "setuptools_scm>=6.2"
+    "numpy", "setuptools"
 ]
 build-backend = "setuptools.build_meta"
-
-[tool.setuptools_scm]
diff --git a/setup.cfg b/setup.cfg
index 4c09603d89525d2a0deb310bf5cf28481fb0bdef..78485d1a657a6f1ce5a167d20591121c61bdcc5b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = icartt
-
+version = 1.9.1
 author = Christoph Knote
 author_email = christoph.knote@med.uni-augsburg.de
 description = ICARTT format reader and writer