diff --git a/HISTORY.rst b/HISTORY.rst
index 0eae5d6f0..f7f199939 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -35,6 +35,7 @@ End-User Summary
 - Added feature to select multiple rows in results to create same annotation (#259)
 - Added parameter to Docker entrypoint file to accept number of gunicorn workers
 - Extended documentation for how to update specific tables (#177)
+- Improving performance of project overview (#303)
 
 Full Change List
 ================
@@ -71,6 +72,7 @@ Full Change List
 - Added feature to select multiple rows in results to create same annotation (#259)
 - Added parameter to Docker entrypoint file to accept number of gunicorn workers
 - Extended documentation for how to update specific tables (#177)
+- Improving performance of project overview (#303)
 
 -------
 v0.23.9
diff --git a/requirements/base.txt b/requirements/base.txt
index 25298ef95..20036abe1 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -67,7 +67,8 @@ celery >=5.1.0, <5.2
 # TODO: bump to django-postgres-copy==2.6.0?
 django-postgres-copy ==2.3.5
 
-django-sodar-core >=0.10.2, <0.11
+#django-sodar-core >=0.10.2, <0.11
+-e git+https://github.com/bihealth/sodar-core.git@optimize-get_details_events#egg=django-sodar-core
 
 # Simplejson is more advanced than then built-in one.
 simplejson >=3.17.2