diff --git a/src/plugins/clangcodemodel/clangdclient.cpp b/src/plugins/clangcodemodel/clangdclient.cpp
index cdd389c04bf..7ce3cc243ff 100644
--- a/src/plugins/clangcodemodel/clangdclient.cpp
+++ b/src/plugins/clangcodemodel/clangdclient.cpp
@@ -613,6 +613,8 @@ static BaseClientInterface *clientInterface(Project *project, const Utils::FileP
         cmd.addArg("--compile-commands-dir=" + jsonDbDir.toString());
     if (clangdLogServer().isDebugEnabled())
         cmd.addArgs({"--log=verbose", "--pretty"});
+    if (settings.clangdVersion() >= QVersionNumber(14))
+        cmd.addArg("--use-dirty-headers");
     const auto interface = new StdIOClientInterface;
     interface->setCommandLine(cmd);
     return interface;
diff --git a/src/plugins/cppeditor/cppcodemodelsettings.cpp b/src/plugins/cppeditor/cppcodemodelsettings.cpp
index d0bdb9b1846..ef5c5fb10ab 100644
--- a/src/plugins/cppeditor/cppcodemodelsettings.cpp
+++ b/src/plugins/cppeditor/cppcodemodelsettings.cpp
@@ -335,7 +335,7 @@ ClangdSettings::ClangdSettings()
 
 bool ClangdSettings::useClangd() const
 {
-    return m_data.useClangd && clangdVersion(clangdFilePath()) >= QVersionNumber(13);
+    return m_data.useClangd && clangdVersion() >= QVersionNumber(13);
 }
 
 void ClangdSettings::setDefaultClangdPath(const FilePath &filePath)
diff --git a/src/plugins/cppeditor/cppcodemodelsettings.h b/src/plugins/cppeditor/cppcodemodelsettings.h
index 3508233575c..fc7fd6ee61f 100644
--- a/src/plugins/cppeditor/cppcodemodelsettings.h
+++ b/src/plugins/cppeditor/cppcodemodelsettings.h
@@ -147,6 +147,7 @@ public:
     Data data() const { return m_data; }
 
     static QVersionNumber clangdVersion(const Utils::FilePath &clangdFilePath);
+    QVersionNumber clangdVersion() const { return clangdVersion(clangdFilePath()); }
 
 #ifdef WITH_TESTS
     static void setUseClangd(bool use);