diff --git a/dependencies.yml b/dependencies.yml
index 1585d8bb24ae2a4bffcf5e6f13db2f0be0091923..8d80ad91ecb806de048ee1205bb6532cd5d996a7 100644
--- a/dependencies.yml
+++ b/dependencies.yml
@@ -17,7 +17,7 @@ sources:
         url: https://gitlab.cern.ch/gbt-fpga/lpgbt-fpga.git
 
     ipbus:
-        tag: v1.10
+        tag: v1.9
         url: https://github.com/ipbus/ipbus-firmware
 
     histogram: