diff --git a/requirements.check.txt b/requirements.check.txt
index cb69e3b89..898c8d13a 100644
--- a/requirements.check.txt
+++ b/requirements.check.txt
@@ -17,7 +17,7 @@ coverage>=5.4
 # httpx is needed for running server-related unit tests.
 httpx
 # This is needed for converting Gcov coverage files to a human-readable JSON format.
-gcovr
+gcovr>=8.3
 
 # Integration tests
 lit>=0.11.0.post1
diff --git a/strictdoc/backend/sdoc_source_code/coverage_reports/gcov.py b/strictdoc/backend/sdoc_source_code/coverage_reports/gcov.py
index 35d911c1b..9748ab7a6 100644
--- a/strictdoc/backend/sdoc_source_code/coverage_reports/gcov.py
+++ b/strictdoc/backend/sdoc_source_code/coverage_reports/gcov.py
@@ -138,7 +138,7 @@ def read_from_string(
             file_section.section_contents.append(non_covered_functions_section)
 
             for json_function_ in json_file_["functions"]:
-                json_function_name = json_function_["demangled_name"]
+                json_function_name = json_function_["name"]
                 is_function_covered = json_function_["execution_count"] > 0
                 stats.add_function(is_function_covered)