diff --git a/docs/CHANGELOG.rst b/docs/CHANGELOG.rst
index 978196b07..565f89554 100644
--- a/docs/CHANGELOG.rst
+++ b/docs/CHANGELOG.rst
@@ -6,6 +6,16 @@ All notable changes to this project are documented in this file.
 This project adheres to `Semantic Versioning <http://semver.org/>`_.
 
 
+==========
+Unreleased
+==========
+
+Changed
+-------
+- **BACKWARD INCOMPATIBLE:** Return all version of processess on process
+  endpoint
+
+
 ===================
 41.0.0 - 2024-11-18
 ===================
diff --git a/resolwe/flow/migrations/0032_alter_process_managers.py b/resolwe/flow/migrations/0032_alter_process_managers.py
new file mode 100644
index 000000000..cfc2918fc
--- /dev/null
+++ b/resolwe/flow/migrations/0032_alter_process_managers.py
@@ -0,0 +1,20 @@
+# Generated by Django 4.2.16 on 2024-11-21 16:23
+
+import django.db.models.manager
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("flow", "0031_remove_annotationvalue_uniquetogether_entity_field_and_more"),
+    ]
+
+    operations = [
+        migrations.AlterModelManagers(
+            name="process",
+            managers=[
+                ("unversioned_objects", django.db.models.manager.Manager()),
+            ],
+        ),
+    ]
diff --git a/resolwe/flow/models/process.py b/resolwe/flow/models/process.py
index 088c65dfa..41e86ef36 100644
--- a/resolwe/flow/models/process.py
+++ b/resolwe/flow/models/process.py
@@ -10,7 +10,7 @@
 
 from resolwe.permissions.models import PermissionObject
 
-from .base import BaseModel
+from .base import BaseManagerWithoutVersion, BaseModel
 from .data import Data
 
 
@@ -56,6 +56,9 @@ class Meta(BaseModel.Meta):
         (SCHEDULING_CLASS_BATCH, "Batch"),
     )
 
+    #: unversioned object manager
+    unversioned_objects = BaseManagerWithoutVersion()
+
     #: data type
     type = models.CharField(
         max_length=100,
diff --git a/resolwe/flow/tests/test_filtering.py b/resolwe/flow/tests/test_filtering.py
index 269aeea9d..e652ea201 100644
--- a/resolwe/flow/tests/test_filtering.py
+++ b/resolwe/flow/tests/test_filtering.py
@@ -1426,6 +1426,16 @@ def test_type(self):
         self._check_filter({"type": "data:alignment:bam"}, [self.proc_1])
         self._check_filter({"type": "data:expression"}, [self.proc_2])
 
+    def test_return_all_versions(self):
+        new_version = Process.objects.create(
+            contributor=self.contributor,
+            type="data:expression:",
+            category="analyses:",
+            scheduling_class="IN",
+            version="3.0.0",
+        )
+        self._check_filter({"type": "data:expression"}, [self.proc_2, new_version])
+
     def test_scheduling_class(self):
         self._check_filter({"scheduling_class": "BA"}, [self.proc_1])
         self._check_filter({"scheduling_class": "IN"}, [self.proc_2])
diff --git a/resolwe/flow/views/process.py b/resolwe/flow/views/process.py
index 642ac2ae9..89862318a 100644
--- a/resolwe/flow/views/process.py
+++ b/resolwe/flow/views/process.py
@@ -23,7 +23,7 @@ class ProcessViewSet(
     """API view for :class:`Process` objects."""
 
     qs_permission_model = PermissionModel.objects.select_related("user", "group")
-    queryset = Process.objects.all().select_related("contributor")
+    queryset = Process.unversioned_objects.all().select_related("contributor")
     serializer_class = ProcessSerializer
     permission_classes = (get_permissions_class(),)
     filterset_class = ProcessFilter