diff --git a/tox.ini b/tox.ini
index 3539f8d..b29cb47 100644
--- a/tox.ini
+++ b/tox.ini
@@ -14,10 +14,15 @@ deps =
     cocotb-bus == 0.2.1
     cocotb-test == 0.2.6
     cocotbext-axi == 0.1.28
-    cocotbext-eth == 0.1.22
+    #git+http://github.com/alexforencich/cocotbext-axi.git#egg=cocotbext-axi
+    cocotbext-eth == 0.1.24
+    #git+http://github.com/alexforencich/cocotbext-eth.git#egg=cocotbext-eth
     cocotbext-i2c == 0.1.2
+    #git+http://github.com/alexforencich/cocotbext-i2c.git#egg=cocotbext-i2c
     cocotbext-pcie == 0.2.16
+    #git+http://github.com/alexforencich/cocotbext-pcie.git#egg=cocotbext-pcie
     cocotbext-uart == 0.1.4
+    #git+http://github.com/alexforencich/cocotbext-uart.git#egg=cocotbext-uart
     scapy == 2.6.1
 
 commands =