diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index fb5515d..6b1771e 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -31,10 +31,6 @@ concurrency:
     group: ${{ github.workflow }}-${{ github.ref }}
     cancel-in-progress: true
 
-env:
-    clang_version: "15"
-    gcc_version: "12"
-
 jobs:
     linux:
         strategy:
@@ -58,7 +54,7 @@ jobs:
                     #- "Release_1_9_6"
                     - "none"
                 os:
-                    - "ubuntu-latest"
+                    - "ubuntu-22.04"
                     - "ubuntu-20.04"
 
         runs-on: "${{ matrix.os }}"
@@ -80,27 +76,26 @@ jobs:
             - name: Install compiler dependencies
               if: ${{ matrix.doxygen_tag != 'none' }}
               run: |
-                  sudo apt -y install --no-install-recommends cmake flex bison libstdc++-${{ env.gcc_version }}-dev
+                  sudo apt -y install --no-install-recommends cmake flex bison
 
             - name: Install lld
               if: ${{ matrix.doxygen_tag != 'none' && startsWith(matrix.linker, 'lld') }}
               run: |
-                  sudo apt -y install --no-install-recommends lld-${{ env.clang_version }}
-                  sudo update-alternatives --install /usr/bin/ld.lld ld.lld /usr/bin/ld.lld-${{ env.clang_version }} 1000
+                  sudo apt -y install --no-install-recommends lld
 
             - name: Install clang
               if: ${{ matrix.doxygen_tag != 'none' && startsWith(matrix.compiler, 'clang') }}
               run: |
-                  sudo apt -y install --no-install-recommends clang-${{ env.clang_version }}
-                  sudo update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++-${{ env.clang_version }} 1000
-                  sudo update-alternatives --install /usr/bin/cc cc /usr/bin/clang-${{ env.clang_version }} 1000
+                  sudo apt -y install --no-install-recommends clang
+                  sudo update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++ 1000
+                  sudo update-alternatives --install /usr/bin/cc cc /usr/bin/clang 1000
 
             - name: Install gcc
               if: ${{ matrix.doxygen_tag != 'none' && startsWith(matrix.compiler, 'gcc') }}
               run: |
-                  sudo apt -y install --no-install-recommends gcc-${{ env.gcc_version }} g++-${{ env.gcc_version }}
-                  sudo update-alternatives --install /usr/bin/c++ c++ /usr/bin/g++-${{ env.gcc_version }} 1000
-                  sudo update-alternatives --install /usr/bin/cc cc /usr/bin/gcc-${{ env.gcc_version }} 1000
+                  sudo apt -y install --no-install-recommends gcc g++
+                  sudo update-alternatives --install /usr/bin/c++ c++ /usr/bin/g++ 1000
+                  sudo update-alternatives --install /usr/bin/cc cc /usr/bin/gcc 1000
 
             - uses: actions/checkout@v3
               with:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index fa1f722..bd04367 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## v0.14.0 - 2023-11-25
+
+-   added the use of `*` wildcards in `implementation_headers`
+
 ## v0.13.9 - 2023-09-10
 
 -   fixed crash on Doxygen <= 1.8.17 (#33) (@tim-janik)
diff --git a/src/poxy/project.py b/src/poxy/project.py
index f99f77d..7aaa794 100644
--- a/src/poxy/project.py
+++ b/src/poxy/project.py
@@ -1739,12 +1739,19 @@ def add_internal_asset(p) -> str:
             self.implementation_headers = []
             if 'implementation_headers' in config:
                 for k, v in config['implementation_headers'].items():
+                    # header
                     header = k.strip().replace('\\', '/')
+                    if not header:
+                        continue
+                    if header.find('*') != -1:
+                        raise Error(rf"implementation_headers: target header path '{header}' may not have wildcards")
+                    # impls
                     impls = coerce_collection(v)
                     impls = [i.strip().replace('\\', '/') for i in impls]
                     impls = [i for i in impls if i]
-                    if header and impls:
-                        self.implementation_headers.append((header, impls))
+                    impls = sorted(remove_duplicates(impls))
+                    if impls:
+                        self.implementation_headers.append([header, impls])
             self.implementation_headers = tuple(self.implementation_headers)
             self.verbose_value(r'Context.implementation_headers', self.implementation_headers)
 
diff --git a/src/poxy/run.py b/src/poxy/run.py
index 3474ccc..bf82136 100644
--- a/src/poxy/run.py
+++ b/src/poxy/run.py
@@ -303,15 +303,60 @@ def postprocess_xml(context: Context):
     assert context is not None
     assert isinstance(context, Context)
 
-    xml_files = get_all_files(context.temp_xml_dir, any=(r'*.xml'))
+    xml_files = [f for f in get_all_files(context.temp_xml_dir, any=(r'*.xml')) if f.name.lower() != r'doxyfile.xml']
     if not xml_files:
         return
 
     context.verbose(rf'Post-processing {len(xml_files) + len(context.tagfiles)} XML files...')
 
-    inline_namespace_ids = None
-    if context.inline_namespaces:
-        inline_namespace_ids = [f'namespace{doxygen.mangle_name(ns)}' for ns in context.inline_namespaces]
+    # pre-pass to resolve wildcards in implementation headers
+    implementation_headers_with_wildcards = []
+    for i in range(len(context.implementation_headers)):
+        for impl in context.implementation_headers[i][1]:
+            impl: str
+            if impl.find('*') == -1:
+                continue
+            impl = re.sub(r'[*][*]+', r'*', impl)
+            impl = impl.replace(r'*', r'_____poxy_wildcard_____')
+            impl = re.escape(impl)
+            impl = impl.replace(r'_____poxy_wildcard_____', r'''[^<>:"'|?*\^]*''')
+            implementation_headers_with_wildcards.append((i, impl))
+    if implementation_headers_with_wildcards:
+        for xml_file in xml_files:
+            root = xml_utils.read(xml_file)
+            if root.tag != r'doxygen':
+                continue
+            compounddef = root.find(r'compounddef')
+            if compounddef is None:
+                continue
+            if compounddef.get(r'kind') != r'file':
+                continue
+            location = compounddef.find(r'location')
+            if location is None:
+                continue
+            location = location.get(r'file')
+            if not location:
+                continue
+            for header_index, impl in implementation_headers_with_wildcards:
+                if re.fullmatch(impl, location):
+                    context.implementation_headers[header_index][1].append(location)
+
+    # remove any wildcards, duplicates and sanity-check the implementation headers
+    seen_implementation_headers = set()
+    for header, _ in context.implementation_headers:
+        if header in seen_implementation_headers:
+            raise Error(rf"implementation_headers: '{header}' seen more than once")
+        seen_implementation_headers.add(header)
+    for i in range(len(context.implementation_headers)):
+        impls = sorted(remove_duplicates(context.implementation_headers[i][1]))
+        impls = [impl for impl in impls if impl.find('*') == -1]
+        for impl in impls:
+            if impl in seen_implementation_headers:
+                raise Error(rf"implementation_headers: '{impl}' seen more than once")
+            seen_implementation_headers.add(impl)
+        context.implementation_headers[i][1] = impls
+    context.implementation_headers = [h for h in context.implementation_headers if (h[0] and h[1])]
+    context.verbose_value(r'Context.implementation_headers', context.implementation_headers)
 
     implementation_header_data = None
     implementation_header_mappings = None
@@ -349,6 +394,10 @@ def postprocess_xml(context: Context):
     context.compound_pages = dict()
     context.compound_kinds = set()
 
+    inline_namespace_ids = None
+    if context.inline_namespaces:
+        inline_namespace_ids = [f'namespace{doxygen.mangle_name(ns)}' for ns in context.inline_namespaces]
+
     # process xml files
     if 1:
         # pre-pass to delete junk files
diff --git a/src/poxy/version.txt b/src/poxy/version.txt
index 9c356d5..a803cc2 100644
--- a/src/poxy/version.txt
+++ b/src/poxy/version.txt
@@ -1 +1 @@
-0.13.9
+0.14.0