diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 3b4771541..cf78d48f9 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -29,7 +29,7 @@ jobs:
     - name: Install apt dependencies
       run: |
         sudo apt-get update
-        sudo apt-get install graphviz libclang1-11 libclang-cpp11
+        sudo apt-get install graphviz
 
     - name: Install doxygen from SourceForge binary archives
       env:
diff --git a/breathe/parser/compound.py b/breathe/parser/compound.py
index cf858d7da..42d9f1488 100644
--- a/breathe/parser/compound.py
+++ b/breathe/parser/compound.py
@@ -1199,7 +1199,7 @@ class FileIOError(Exception):
 def parse(inFilename):
 
     try:
-        doc = minidom.parse(inFilename)
+        doc = minidom.parse(str(inFilename))
     except OSError as e:
         raise FileIOError(e)
     except ExpatError as e:
diff --git a/breathe/parser/index.py b/breathe/parser/index.py
index d4f0634bf..7ca81d5a5 100644
--- a/breathe/parser/index.py
+++ b/breathe/parser/index.py
@@ -48,7 +48,7 @@ class FileIOError(Exception):
 
 def parse(inFilename):
     try:
-        doc = minidom.parse(inFilename)
+        doc = minidom.parse(str(inFilename))
     except OSError as e:
         raise FileIOError(e)
     except ExpatError as e:
diff --git a/breathe/process.py b/breathe/process.py
index 2292ee5af..79890a89c 100644
--- a/breathe/process.py
+++ b/breathe/process.py
@@ -82,7 +82,7 @@ def process(
         doxygen_aliases: Dict[str, str],
     ) -> str:
         name = auto_project_info.name()
-        full_paths = [auto_project_info.abs_path_to_source_file(f) for f in files]
+        full_paths = [str(auto_project_info.abs_path_to_source_file(f)) for f in files]
 
         options = "\n".join("%s=%s" % pair for pair in doxygen_options.items())
         aliases = "\n".join(
diff --git a/breathe/renderer/sphinxrenderer.py b/breathe/renderer/sphinxrenderer.py
index f1aa5035d..76c3b6419 100644
--- a/breathe/renderer/sphinxrenderer.py
+++ b/breathe/renderer/sphinxrenderer.py
@@ -687,7 +687,10 @@ def content(contentnode):
         assert isinstance(sig, addnodes.desc_signature)
 
         # Insert the member name for use in Sphinx-generated table of contents.
-        member_name = node.get_name()
+        if node.node_type == "compounddef":
+            member_name = node.compoundname
+        else:
+            member_name = node.name
         if obj_type == "function":
             member_name += "()"
         sig.attributes["_toc_name"] = member_name