diff --git a/.github/workflows/yosys-plugin.yml b/.github/workflows/yosys-plugin.yml
index b694bbc518..32c93f2f96 100644
--- a/.github/workflows/yosys-plugin.yml
+++ b/.github/workflows/yosys-plugin.yml
@@ -46,7 +46,7 @@ jobs:
         git checkout stable_rs
         git submodule sync
         git submodule update --depth 3 --init --recursive --checkout \
-          ./third_party/{surelog,yosys,make_env,yosys_f4pga_plugins} \
+          ./third_party/{surelog,yosys,make_env,yosys_f4pga_plugins,ibex} \
           ;
 
     - name: Create Cache Timestamp