diff --git a/kiwixbuild/versions.py b/kiwixbuild/versions.py
index be70b60..095d8c1 100644
--- a/kiwixbuild/versions.py
+++ b/kiwixbuild/versions.py
@@ -10,7 +10,7 @@ main_project_versions = {
 
 # This is the "version" of the whole base_deps_versions dict.
 # Change this when you change base_deps_versions.
-base_deps_meta_version = '8'
+base_deps_meta_version = '9'
 
 
 base_deps_versions = {