diff --git a/README.md b/README.md
index 98b29d9..806267c 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 Documentation Builder for C++ and Python packages
 =================================================
 
-mpiis_doc_build is a tool for building documentation that is used for some of the
+breathing_cat is a tool for building documentation that is used for some of the
 software packages developed at the Max Planck Institute for Intelligent Systems (MPI-IS)
 and the New York University.
 
@@ -20,7 +20,7 @@ Installation
 Simply clone this repository and install it with
 
 ```
-cd path/to/mpiis_doc_build
+cd path/to/breathing-cat
 pip install .
 ```
 
diff --git a/mpiis_doc_build/__init__.py b/breathing_cat/__init__.py
similarity index 100%
rename from mpiis_doc_build/__init__.py
rename to breathing_cat/__init__.py
diff --git a/mpiis_doc_build/__main__.py b/breathing_cat/__main__.py
similarity index 95%
rename from mpiis_doc_build/__main__.py
rename to breathing_cat/__main__.py
index 61895f0..6110c4e 100644
--- a/mpiis_doc_build/__main__.py
+++ b/breathing_cat/__main__.py
@@ -15,8 +15,8 @@ def AbsolutePath(path):
     parser.add_argument(
         "--version",
         action="version",
-        help="Show version of mpiis_doc_build.",
-        version=f"mpiis_doc_build version {__version__}",
+        help="Show version of breathing_cat.",
+        version=f"breathing_cat version {__version__}",
     )
     parser.add_argument(
         "--output-dir",
diff --git a/mpiis_doc_build/build.py b/breathing_cat/build.py
similarity index 100%
rename from mpiis_doc_build/build.py
rename to breathing_cat/build.py
diff --git a/mpiis_doc_build/find_version.py b/breathing_cat/find_version.py
similarity index 97%
rename from mpiis_doc_build/find_version.py
rename to breathing_cat/find_version.py
index d55a1ce..61bf493 100644
--- a/mpiis_doc_build/find_version.py
+++ b/breathing_cat/find_version.py
@@ -6,7 +6,7 @@
 import xml.etree.ElementTree
 
 
-_logger = logging.getLogger("mpiis_doc_build.find_version")
+_logger = logging.getLogger("breathing_cat.find_version")
 
 
 class VersionNotFound(Exception):
diff --git a/mpiis_doc_build/resources/doxygen/Doxyfile.in b/breathing_cat/resources/doxygen/Doxyfile.in
similarity index 100%
rename from mpiis_doc_build/resources/doxygen/Doxyfile.in
rename to breathing_cat/resources/doxygen/Doxyfile.in
diff --git a/mpiis_doc_build/resources/sphinx/cmake_doc.rst.in b/breathing_cat/resources/sphinx/cmake_doc.rst.in
similarity index 100%
rename from mpiis_doc_build/resources/sphinx/cmake_doc.rst.in
rename to breathing_cat/resources/sphinx/cmake_doc.rst.in
diff --git a/mpiis_doc_build/resources/sphinx/conf.py.in b/breathing_cat/resources/sphinx/conf.py.in
similarity index 100%
rename from mpiis_doc_build/resources/sphinx/conf.py.in
rename to breathing_cat/resources/sphinx/conf.py.in
diff --git a/mpiis_doc_build/resources/sphinx/custom.css.in b/breathing_cat/resources/sphinx/custom.css.in
similarity index 100%
rename from mpiis_doc_build/resources/sphinx/custom.css.in
rename to breathing_cat/resources/sphinx/custom.css.in
diff --git a/mpiis_doc_build/resources/sphinx/doxygen_index.rst.in b/breathing_cat/resources/sphinx/doxygen_index.rst.in
similarity index 100%
rename from mpiis_doc_build/resources/sphinx/doxygen_index.rst.in
rename to breathing_cat/resources/sphinx/doxygen_index.rst.in
diff --git a/mpiis_doc_build/resources/sphinx/doxygen_index_one_page.rst.in b/breathing_cat/resources/sphinx/doxygen_index_one_page.rst.in
similarity index 100%
rename from mpiis_doc_build/resources/sphinx/doxygen_index_one_page.rst.in
rename to breathing_cat/resources/sphinx/doxygen_index_one_page.rst.in
diff --git a/mpiis_doc_build/resources/sphinx/general_documentation.rst.in b/breathing_cat/resources/sphinx/general_documentation.rst.in
similarity index 100%
rename from mpiis_doc_build/resources/sphinx/general_documentation.rst.in
rename to breathing_cat/resources/sphinx/general_documentation.rst.in
diff --git a/mpiis_doc_build/resources/sphinx/index.rst.in b/breathing_cat/resources/sphinx/index.rst.in
similarity index 100%
rename from mpiis_doc_build/resources/sphinx/index.rst.in
rename to breathing_cat/resources/sphinx/index.rst.in
diff --git a/pyproject.toml b/pyproject.toml
index bd74693..3bf135e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 
 [project]
-name = "mpiis_doc_build"
+name = "breathing_cat"
 version = "0.1.0"
 description = "Tool to build documentation for C++/Python-Packages used at MPI-IS"
 authors = [
@@ -29,7 +29,7 @@ dependencies = [
 
 
 [project.scripts]
-mpiis-doc-build = "mpiis_doc_build.__main__:main"
+mpiis-doc-build = "breathing_cat.__main__:main"
 
 [tool.setuptools.package-data]
-mpiis_doc_build = ["resources/**/*.in"]
+breathing_cat = ["resources/**/*.in"]