diff --git a/util/build_docs.py b/util/build_docs.py
index cbeb01f..1ba0f96 100755
--- a/util/build_docs.py
+++ b/util/build_docs.py
@@ -78,6 +78,7 @@
         "hw/ip/aes/data/aes_testplan.hjson",
         "hw/ip/alert_handler/data/alert_handler_testplan.hjson",
         "hw/ip/entropy_src/data/entropy_src_testplan.hjson",
+        "hw/ip/flash_ctrl/data/flash_ctrl_testplan.hjson",
         "hw/ip/gpio/data/gpio_testplan.hjson",
         "hw/ip/hmac/data/hmac_testplan.hjson",
         "hw/ip/i2c/data/i2c_testplan.hjson",