diff --git a/docs/CHANGELOG.rst b/docs/CHANGELOG.rst
index 2106467b8..ed69de485 100644
--- a/docs/CHANGELOG.rst
+++ b/docs/CHANGELOG.rst
@@ -16,6 +16,7 @@ Added
 
 Changed
 -------
+- **BACKWARD INCOMPATIBLE:** Require Resolwe 39.x
 - Rewrite ``expression-aggregator`` process to Python and make it
   compatible with the new annotation model
 
diff --git a/setup.py b/setup.py
index ab592a97b..3ec202e4e 100644
--- a/setup.py
+++ b/setup.py
@@ -45,7 +45,7 @@
         "djangorestframework~=3.14.0",
         "django-filter~=23.1",
         # XXX: Required due to issue https://github.com/pypa/pip/issues/4905.
-        "resolwe >=38.0a1, ==38.*",
+        "resolwe >=39.0a1, ==39.*",
         "wrapt~=1.15.0",
     ),
     extras_require={