diff --git a/tox.ini b/tox.ini
index 2cbbaa2..3539f8d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -13,7 +13,7 @@ deps =
     cocotb == 1.9.2
     cocotb-bus == 0.2.1
     cocotb-test == 0.2.6
-    cocotbext-axi == 0.1.26
+    cocotbext-axi == 0.1.28
     cocotbext-eth == 0.1.22
     cocotbext-i2c == 0.1.2
     cocotbext-pcie == 0.2.16