diff --git a/VERSION.txt b/VERSION.txt
index 4404a17ba..6cedcff63 100644
--- a/VERSION.txt
+++ b/VERSION.txt
@@ -1 +1 @@
-4.5.1
+4.5.2
diff --git a/debian/changelog b/debian/changelog
index 5c6bde49a..d8dea8a70 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,14 @@
+pywps (4.5.2) trusty; urgency=medium
+
+  * Fix test section in README.md about pytest (#653)
+  * Fix ComplexInput.from_json to handle data_format.encoding="base64" (#652)
+  * Fix invalide use of encode on bytes object (#651)
+  * Fix JSON encoding of CRS type in BoundingBox (#610)
+  * Modernize CI using Tox, add a "[dev]" recipe, re-enable coveralls (#643)
+  * Fix deprecated logging.warn() call (#642)
+
+ -- Carsten Ehbrecht <ehbrecht@dkrz.de>  Wed, 13 Apr 2022 18:00:00 +0000
+
 pywps (4.5.1) trusty; urgency=medium
 
   * Fix app/Process.py to cope with None mimetype (#620)
diff --git a/pywps/__init__.py b/pywps/__init__.py
index 6eecead14..3ff97c207 100644
--- a/pywps/__init__.py
+++ b/pywps/__init__.py
@@ -9,7 +9,7 @@
 
 from lxml.builder import ElementMaker
 
-__version__ = "4.5.1"
+__version__ = "4.5.2"
 
 LOGGER = logging.getLogger('PYWPS')
 LOGGER.debug('setting core variables')
diff --git a/setup.cfg b/setup.cfg
index e31cf23bf..16827f35d 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 4.5.1
+current_version = 4.5.2
 commit = False
 tag = False
 parse = (?P<major>\d+)\.(?P<minor>\d+).(?P<patch>\d+)
@@ -18,7 +18,7 @@ replace = {new_version}
 relative_files = True
 
 [flake8]
-ignore =
+ignore = 
 	F401
 	E402
 	W606