diff --git a/ci/.launch_vivado.yml b/ci/.launch_vivado.yml
index c605ae9b8901878e7274eda6aa587e9e7e649e79..067ffef375d0f946489745284813830bf992fb30 100644
--- a/ci/.launch_vivado.yml
+++ b/ci/.launch_vivado.yml
@@ -20,7 +20,7 @@ Generate Declaration Files:
   stage: Generate Files
   image: python
   before_script:
-    - pip install --extra-index-url https://gitlab.cern.ch/api/v4/projects/186983/packages/pypi/simple dtcgenerator
+    - pip install --extra-index-url https://gitlab.cern.ch/api/v4/projects/186983/packages/pypi/simple dtcgenerator==0.0.6
     - apt-get update && apt-get install -y tree
   script:
     - cd ci