diff --git a/src/cockpit/channels/pcp.py b/src/cockpit/channels/pcp.py
index 1f2a62b0e10f..60344a63fdb9 100644
--- a/src/cockpit/channels/pcp.py
+++ b/src/cockpit/channels/pcp.py
@@ -71,7 +71,7 @@
 import sys
 import time
 from collections import defaultdict
-from typing import TYPE_CHECKING, Any, Iterable, List, NamedTuple, Optional, Sequence
+from typing import TYPE_CHECKING, Any, Dict, Iterable, List, NamedTuple, Optional, Sequence
 
 from cockpit.protocol import CockpitProblem
 
@@ -92,7 +92,7 @@ class MetricNotFoundError(CockpitProblem):
     pass
 
 
-class PcpMetricInfo(dict[str, JsonValue]):
+class PcpMetricInfo(Dict[str, JsonValue]):
     def __init__(self, value: JsonObject) -> None:
         self.name = get_str(value, 'name')
         self.derive = get_str(value, 'derive', '')
@@ -466,11 +466,11 @@ def sample(self, context: 'pmapi.pmContext', archive_batch: int, limit: int, tot
 
     def parse_fetched_results(self, context: 'pmapi.pmContext', results: Any) -> Any:
         metrics = list(self.metrics)
-        samples: dict[str, float | list[float]] = {}
+        samples: Dict[str, float | list[float]] = {}
 
         samples['timestamp'] = float(results.contents.timestamp)
         for i in range(results.contents.numpmid):
-            values: Optional[dict[str, float] | float] = defaultdict()
+            values: Optional[Dict[str, float] | float] = defaultdict()
             numval: int = results.contents.get_numval(i)
             metric_desc = self.metric_descriptions[i]
             content_type = metric_desc.desc.type