-deb_build_depends['16.04'] = copy.deepcopy(deb_build_depends_base)
-deb_build_depends['16.04'].extend(['libssh-dev'])
-deb_build_depends['18.04'] = copy.deepcopy(deb_build_depends_base)
-deb_build_depends['18.04'].extend(['libssh-dev'])
-deb_build_depends['20.04'] = copy.deepcopy(deb_build_depends_base)
-deb_build_depends['20.04'].extend(['libssh-dev'])
-deb_build_depends['20.10'] = copy.deepcopy(deb_build_depends_base)
-deb_build_depends['20.10'].extend(['libssh-dev'])
-deb_build_depends['9'] = copy.deepcopy(deb_build_depends_base)
-deb_build_depends['9'].extend(['libssh-gcrypt-dev'])
-deb_build_depends['10'] = copy.deepcopy(deb_build_depends_base)
-deb_build_depends['10'].extend(['libssh-gcrypt-dev'])
+for v in ['16.04', '18.04', '20.04', '20.10', '21.04']:
+ deb_build_depends[v] = copy.deepcopy(deb_build_depends_base)
+ deb_build_depends[v].extend(['libssh-dev'])
+for v in ['9', '10']:
+ deb_build_depends[v] = copy.deepcopy(deb_build_depends_base)
+ deb_build_depends[v].extend(['libssh-gcrypt-dev'])