diff --git a/.changelog/5440.fixed b/.changelog/5440.fixed
new file mode 100644
index 0000000000..057ac92171
--- /dev/null
+++ b/.changelog/5440.fixed
@@ -0,0 +1 @@
+`opentelemetry-propagator-jaeger`: fix return type annotation of `_parse_trace_id_header` from `tuple[int]` to `tuple[int, int, int]`
diff --git a/propagator/opentelemetry-propagator-jaeger/src/opentelemetry/propagators/jaeger/__init__.py b/propagator/opentelemetry-propagator-jaeger/src/opentelemetry/propagators/jaeger/__init__.py
index 79bb1d89ea..9c3ee03204 100644
--- a/propagator/opentelemetry-propagator-jaeger/src/opentelemetry/propagators/jaeger/__init__.py
+++ b/propagator/opentelemetry-propagator-jaeger/src/opentelemetry/propagators/jaeger/__init__.py
@@ -131,7 +131,7 @@ def _extract_first_element(
 
 def _parse_trace_id_header(
     items: collections.abc.Iterable[CarrierT],
-) -> tuple[int]:
+) -> tuple[int, int, int]:
     invalid_header_result = (trace.INVALID_TRACE_ID, trace.INVALID_SPAN_ID, 0)
 
     header = _extract_first_element(items)