diff --git a/README.md b/README.md
index 37f1951..f644864 100644
--- a/README.md
+++ b/README.md
@@ -95,6 +95,9 @@ To facilitate the dual-license model, contributions to the project can only be a
     *  I2C slave AXI lite master
     *  MDIO master
     *  UART
+*  PCI Express
+    *  PCIe AXI lite master
+    *  PCIe AXI lite master for Xilinx UltraScale
 *  Primitives
     *  Arbiter
     *  Priority encoder