diff --git a/services/report/languages/cobertura.py b/services/report/languages/cobertura.py
index a6e9d2e4e..e725554a3 100644
--- a/services/report/languages/cobertura.py
+++ b/services/report/languages/cobertura.py
@@ -71,7 +71,9 @@ def from_xml(xml: Element, report_builder_session: ReportBuilderSession) -> None
             "`create_coverage_file` with pre-fixed path is infallible"
         )
 
-        for line in _class.iter("line"):
+        lines = next(_class.iterchildren("lines"), None)
+        lines = lines.iter("line") if lines else []
+        for line in lines:
             _line = line.attrib
             ln: str | int = _line["number"]
             if ln == "undefined":
diff --git a/services/report/languages/tests/unit/test_clover.py b/services/report/languages/tests/unit/test_clover.py
index e06d1128e..94df76ae4 100644
--- a/services/report/languages/tests/unit/test_clover.py
+++ b/services/report/languages/tests/unit/test_clover.py
@@ -1,8 +1,8 @@
 import datetime
-import xml.etree.cElementTree as etree
 from time import time
 
 import pytest
+from lxml import etree
 
 from helpers.exceptions import ReportExpiredException
 from services.report.languages import clover
@@ -77,7 +77,9 @@ def fixes(path):
             return path
 
         report_builder_session = create_report_builder_session(path_fixer=fixes)
-        clover.from_xml(etree.fromstring(xml % int(time())), report_builder_session)
+        clover.from_xml(
+            etree.fromstring((xml % int(time())).encode()), report_builder_session
+        )
         report = report_builder_session.output_report()
         processed_report = self.convert_report_to_better_readable(report)
 
@@ -144,4 +146,6 @@ def fixes(path):
     def test_expired(self, date):
         report_builder_session = create_report_builder_session()
         with pytest.raises(ReportExpiredException, match="Clover report expired"):
-            clover.from_xml(etree.fromstring(xml % date), report_builder_session)
+            clover.from_xml(
+                etree.fromstring((xml % date).encode()), report_builder_session
+            )
diff --git a/services/report/languages/tests/unit/test_cobertura.py b/services/report/languages/tests/unit/test_cobertura.py
index ab2d70406..6ec96dac9 100644
--- a/services/report/languages/tests/unit/test_cobertura.py
+++ b/services/report/languages/tests/unit/test_cobertura.py
@@ -1,9 +1,9 @@
 import datetime
 import os
-import xml.etree.cElementTree as etree
 from time import time
 
 import pytest
+from lxml import etree
 
 from helpers.exceptions import ReportExpiredException
 from services.path_fixer import PathFixer
@@ -534,13 +534,17 @@ def test_use_source_for_filename_if_multiple_sources_first_and_second_works(self
 
 
 def test_empty_filename():
-    xml = """
+    xml = b"""
 <coverage>
     <class filename="" name="">
-        <line number="1" hits="1" />
+        <lines>
+            <line number="1" hits="1" />
+        </lines>
     </class>
     <class filename="non-empty" name="">
-        <line number="1" hits="1" />
+        <lines>
+            <line number="1" hits="1" />
+        </lines>
     </class>
 </coverage>
 """
diff --git a/services/report/languages/tests/unit/test_csharp.py b/services/report/languages/tests/unit/test_csharp.py
index e590855a7..9761e79d0 100644
--- a/services/report/languages/tests/unit/test_csharp.py
+++ b/services/report/languages/tests/unit/test_csharp.py
@@ -1,11 +1,11 @@
-import xml.etree.cElementTree as etree
+from lxml import etree
 
 from services.report.languages import csharp
 from test_utils.base import BaseTestCase
 
 from . import create_report_builder_session
 
-xml = """<?xml version="1.0" encoding="utf-8"?>
+xml = b"""<?xml version="1.0" encoding="utf-8"?>
 <CoverageSession xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
   <Summary numSequencePoints="1803" visitedSequencePoints="1647" numBranchPoints="1155" visitedBranchPoints="1048" sequenceCoverage="91.35" branchCoverage="90.74" maxCyclomaticComplexity="32" minCyclomaticComplexity="1" />
   <Modules>
diff --git a/services/report/languages/tests/unit/test_csharp2.py b/services/report/languages/tests/unit/test_csharp2.py
index 385c2ca3f..6bd0cbdd8 100644
--- a/services/report/languages/tests/unit/test_csharp2.py
+++ b/services/report/languages/tests/unit/test_csharp2.py
@@ -1,11 +1,11 @@
-import xml.etree.cElementTree as etree
+from lxml import etree
 
 from services.report.languages import csharp
 from test_utils.base import BaseTestCase
 
 from . import create_report_builder_session
 
-xml = """<?xml version="1.0" encoding="utf-8"?>
+xml = b"""<?xml version="1.0" encoding="utf-8"?>
 <CoverageSession xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
   <Summary numSequencePoints="1803" visitedSequencePoints="1647" numBranchPoints="1155" visitedBranchPoints="1048" sequenceCoverage="91.35" branchCoverage="90.74" maxCyclomaticComplexity="32" minCyclomaticComplexity="1" />
   <Modules>
diff --git a/services/report/languages/tests/unit/test_jacoco.py b/services/report/languages/tests/unit/test_jacoco.py
index cbf704bc6..46c9fec88 100644
--- a/services/report/languages/tests/unit/test_jacoco.py
+++ b/services/report/languages/tests/unit/test_jacoco.py
@@ -1,9 +1,9 @@
 import datetime
 import logging
-import xml.etree.cElementTree as etree
 from time import time
 
 import pytest
+from lxml import etree
 from pytest import LogCaptureFixture
 
 from helpers.exceptions import ReportExpiredException
@@ -69,7 +69,9 @@ def fixes(path):
         report_builder_session = create_report_builder_session(path_fixer=fixes)
 
         with self.caplog.at_level(logging.WARNING, logger=jacoco.__name__):
-            jacoco.from_xml(etree.fromstring(xml % int(time())), report_builder_session)
+            jacoco.from_xml(
+                etree.fromstring((xml % int(time())).encode()), report_builder_session
+            )
 
             assert (
                 self.caplog.records[-1].message
@@ -102,7 +104,9 @@ def fixes(path):
             current_yaml={"parsers": {"jacoco": {"partials_as_hits": True}}},
             path_fixer=fixes,
         )
-        jacoco.from_xml(etree.fromstring(xml % int(time())), report_builder_session)
+        jacoco.from_xml(
+            etree.fromstring((xml % int(time())).encode()), report_builder_session
+        )
         report = report_builder_session.output_report()
         processed_report = self.convert_report_to_better_readable(report)
 
@@ -134,7 +138,7 @@ def test_multi_module(self, module, path):
             </package>
         </report>"""
             % module
-        )
+        ).encode()
 
         def fixes(path):
             if module == "a":
@@ -162,4 +166,6 @@ def test_expired(self, date):
         report_builder_session = create_report_builder_session()
 
         with pytest.raises(ReportExpiredException, match="Jacoco report expired"):
-            jacoco.from_xml(etree.fromstring(xml % date), report_builder_session)
+            jacoco.from_xml(
+                etree.fromstring((xml % date).encode()), report_builder_session
+            )
diff --git a/services/report/languages/tests/unit/test_jetbrainsxml.py b/services/report/languages/tests/unit/test_jetbrainsxml.py
index f55d67164..6170e9975 100644
--- a/services/report/languages/tests/unit/test_jetbrainsxml.py
+++ b/services/report/languages/tests/unit/test_jetbrainsxml.py
@@ -1,4 +1,4 @@
-import xml.etree.cElementTree as etree
+from lxml import etree
 
 from services.report.languages import jetbrainsxml
 
diff --git a/services/report/languages/tests/unit/test_scoverage.py b/services/report/languages/tests/unit/test_scoverage.py
index 44c4decd8..b33647858 100644
--- a/services/report/languages/tests/unit/test_scoverage.py
+++ b/services/report/languages/tests/unit/test_scoverage.py
@@ -1,4 +1,4 @@
-import xml.etree.cElementTree as etree
+from lxml import etree
 
 from services.report.languages import scoverage
 from test_utils.base import BaseTestCase
diff --git a/services/report/languages/tests/unit/test_vb.py b/services/report/languages/tests/unit/test_vb.py
index fd02c1ce0..dcdc00a33 100644
--- a/services/report/languages/tests/unit/test_vb.py
+++ b/services/report/languages/tests/unit/test_vb.py
@@ -1,11 +1,11 @@
-import xml.etree.cElementTree as etree
+from lxml import etree
 
 from services.report.languages import vb
 from test_utils.base import BaseTestCase
 
 from . import create_report_builder_session
 
-txt = """<?xml version="1.0" encoding="UTF-8"?>
+txt = b"""<?xml version="1.0" encoding="UTF-8"?>
 <results>
   <modules>
     <module name="riosock.dll" path="riosock.dll" id="A8980752D35C194D988F77B70FC7950101000000" block_coverage="59.29" line_coverage="66.67" blocks_covered="166" blocks_not_covered="114" lines_covered="186" lines_partially_covered="4" lines_not_covered="89">
diff --git a/services/report/languages/tests/unit/test_vb2.py b/services/report/languages/tests/unit/test_vb2.py
index 001de5a9f..6830a5ab5 100644
--- a/services/report/languages/tests/unit/test_vb2.py
+++ b/services/report/languages/tests/unit/test_vb2.py
@@ -1,4 +1,4 @@
-import xml.etree.cElementTree as etree
+from lxml import etree
 
 from services.report.languages import vb2
 from test_utils.base import BaseTestCase