diff --git a/CITATION.cff b/CITATION.cff
index b6b3f755f5534c52c86a51a50671d5a7d11a6c22..a10cd410714e0bd3ba2010ca27904b216ada8e09 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -30,9 +30,9 @@ authors:
     affiliation: "Jülich Supercomputing Centre, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany"
 
 
-version: 5.5.0
+version: 5.5.1
 doi: 10.5281/zenodo.594191
-date-released: 2024-06-24
+date-released: 2024-09-03
 keywords: 
   - "parallel-in-time"
   - "spectral deferred corrections"
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 998619bb7243e770f4c0c1f8a623f28080e1f691..bd401cf16d59d7c16118e54a16f602a0b42a9122 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -72,7 +72,7 @@ author = 'Robert Speck, Thibaut Lunet, Thomas Baumann, Lisa Wimmer, Ikrom Akramo
 # The short X.Y version.
 version = '5.5'
 # The full version, including alpha/beta/rc tags.
-release = '5.5.0'
+release = '5.5.1'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/pyproject.toml b/pyproject.toml
index 77b8fadaad47cb64cb801764488a42f944318aa6..036464a9ee89e6dc43bbb50d7542796e765dc309 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "flit_core.buildapi"
 
 [project]
 name = 'pySDC'
-version = '5.5.0'
+version = '5.5.1'
 description = 'A Python implementation of spectral deferred correction methods and the likes'
 license = {text = "BSD-2-Clause"}
 readme = 'README.md'