diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2fc89ad..a581646 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,6 +20,11 @@ instructions, because git commits are used to generate release notes:
 
 <!-- scriv-insert-here -->
 
+<a id='changelog-15.3.6'></a>
+## v15.3.6 (2023-05-22)
+
+- [Feature] Upgrade to open-release/olive.4. (by @regisb)
+
 <a id='changelog-15.3.5'></a>
 ## v15.3.5 (2023-04-28)
 
diff --git a/docs/configuration.rst b/docs/configuration.rst
index 272b5ea..927eb31 100644
--- a/docs/configuration.rst
+++ b/docs/configuration.rst
@@ -130,7 +130,7 @@ Open edX customisation
 
 This defines the git repository from which you install Open edX platform code. If you run an Open edX fork with custom patches, set this to your own git repository. You may also override this configuration parameter at build time, by providing a ``--build-arg`` option.
 
-- ``OPENEDX_COMMON_VERSION`` (default: ``"open-release/olive.3"``)
+- ``OPENEDX_COMMON_VERSION`` (default: ``"open-release/olive.4"``)
 
 This defines the default version that will be pulled from all Open edX git repositories.
 
diff --git a/tutor/__about__.py b/tutor/__about__.py
index e52fa8e..8eb5785 100644
--- a/tutor/__about__.py
+++ b/tutor/__about__.py
@@ -2,7 +2,7 @@ import os
 
 # Increment this version number to trigger a new release. See
 # docs/tutor.html#versioning for information on the versioning scheme.
-__version__ = "15.3.5"
+__version__ = "15.3.6"
 
 # The version suffix will be appended to the actual version, separated by a
 # dash. Use this suffix to differentiate between the actual released version and