diff --git a/openeo_driver/ProcessGraphDeserializer.py b/openeo_driver/ProcessGraphDeserializer.py
index 4410ad7d..6872f95d 100644
--- a/openeo_driver/ProcessGraphDeserializer.py
+++ b/openeo_driver/ProcessGraphDeserializer.py
@@ -327,9 +327,8 @@ def evaluate(
     """
 
     if 'version' not in env:
-        # TODO: make this a hard error, and stop defaulting to 0.4.0.
-        warnings.warn("Blindly assuming 0.4.0")
-        env = env.push({"version": "0.4.0"})
+        _log.warning("No version in `evaluate()` env. Blindly assuming 1.0.0.")
+        env = env.push({"version": "1.0.0"})
 
     top_level_node = ProcessGraphVisitor.dereference_from_node_arguments(process_graph)
     result_node = process_graph[top_level_node]
diff --git a/openeo_driver/_version.py b/openeo_driver/_version.py
index a542fd30..9310925c 100644
--- a/openeo_driver/_version.py
+++ b/openeo_driver/_version.py
@@ -1 +1 @@
-__version__ = "0.69.1a1"
+__version__ = "0.69.2a1"
diff --git a/tests/test_dry_run.py b/tests/test_dry_run.py
index f7bcb641..f5e3e295 100644
--- a/tests/test_dry_run.py
+++ b/tests/test_dry_run.py
@@ -1219,7 +1219,7 @@ def test_evaluate_predefined_property(backend_implementation):
         "lc": {"process_id": "load_collection", "arguments": {"id": "TERRASCOPE_S2_FAPAR_V2"}, "result": True},
     }
 
-    env = EvalEnv(dict(backend_implementation=backend_implementation))
+    env = EvalEnv(dict(backend_implementation=backend_implementation, version="1.0.0"))
     evaluate(pg, do_dry_run=True, env=env)