diff --git a/zorg/buildbot/builders/SphinxDocsBuilder.py b/zorg/buildbot/builders/SphinxDocsBuilder.py
--- a/zorg/buildbot/builders/SphinxDocsBuilder.py
+++ b/zorg/buildbot/builders/SphinxDocsBuilder.py
@@ -11,6 +11,7 @@
   ("llvm",              ("docs-llvm-html",        "docs/html/",                         "llvm")),
   ("clang",             ("docs-clang-html",       "tools/clang/docs/html/",             "cfe")),
   ("clang-tools-extra", ("docs-clang-tools-html", "tools/clang/tools/extra/docs/html/", "clang-tools-extra")),
+  ("libc",              ("docs-libc-html",        "projects/libc/docs/html/",           "libc")),
   ("libcxx",            ("docs-libcxx-html",      "projects/libcxx/docs/html/",         "libcxx")),
   ("libunwind",         ("docs-libunwind-html",   "projects/libunwind/docs/html/",      "libunwind")),
   ("lld",               ("docs-lld-html",         "tools/lld/docs/html/",               "lld")),
@@ -166,6 +167,7 @@
             "llvm",
             "clang",
             "clang-tools-extra",
+            "libc",
             "libcxx",
             "libcxxabi",
             "libunwind",