diff --git a/tools/doxygen/Doxyfile.c++.internal b/tools/doxygen/Doxyfile.c++.internal
index 1d84dcb..078dd7b 100644
--- a/tools/doxygen/Doxyfile.c++.internal
+++ b/tools/doxygen/Doxyfile.c++.internal
@@ -1038,6 +1038,7 @@
 src/core/lib/support/mpscq.h \
 src/core/lib/support/murmur_hash.h \
 src/core/lib/support/reference_counted.h \
+src/core/lib/support/reference_counted_ptr.h \
 src/core/lib/support/spinlock.h \
 src/core/lib/support/stack_lockfree.h \
 src/core/lib/support/string.h \
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index 5b289e7..37ffff6 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -1301,6 +1301,7 @@
 src/core/lib/support/murmur_hash.h \
 src/core/lib/support/reference_counted.cc \
 src/core/lib/support/reference_counted.h \
+src/core/lib/support/reference_counted_ptr.h \
 src/core/lib/support/spinlock.h \
 src/core/lib/support/stack_lockfree.cc \
 src/core/lib/support/stack_lockfree.h \