diff --git a/sapi/phpdbg/CREDITS b/sapi/phpdbg/CREDITS
new file mode 100644
index 00000000000..036bafe1db2
--- /dev/null
+++ b/sapi/phpdbg/CREDITS
@@ -0,0 +1,2 @@
+phpdbg
+Felipe Pena, Joe Watkins, Bob Weinand