diff --git a/15.0.Dockerfile b/15.0.Dockerfile
index b7a3049adf6ce41c6048a8923775d21f12eecf37..6d9c54f7615e6b8d5988ceb05e3c7b75eeb2192c 100644
--- a/15.0.Dockerfile
+++ b/15.0.Dockerfile
@@ -41,59 +41,58 @@ COPY ./ssh_known_git_hosts /root/.ssh/known_hosts
 RUN set -x; \
         useradd --create-home --home-dir /opt/odoo --no-log-init odoo &&\
         /bin/bash -c "mkdir -p /opt/odoo/{etc,odoo,additional_addons,private_addons,data,private}" &&\
-        git clone -b 15.0 --depth 1 https://github.com/OCA/OCB.git /opt/odoo/odoo &&\
-        rm -rf /opt/odoo/odoo/.git &&\
+        curl -L https://github.com/OCA/OCB/tarball/15.0 | tar -xzC /opt/odoo/odoo --strip-components 1 &&\
         find /opt/odoo/odoo/addons/*/i18n/ /opt/odoo/odoo/odoo/addons/base/i18n/ -type f -not -name 'fr.po' -delete &&\
         chown -R odoo:odoo /opt/odoo
 
 # Install Odoo OCA default dependencies - Commented modules do not exist yet
 RUN set -x; \
         mkdir -p /tmp/oca-repos/ &&\
-        git clone -b 15.0 --depth 1 https://github.com/OCA/account-financial-reporting.git /tmp/oca-repos/account-financial-reporting &&\
+        curl -L https://github.com/OCA/account-financial-reporting/tarball/15.0 | tar -xzC /tmp/oca-repos/ --one-top-level="account-financial-reporting" --strip-components 1 &&\
         mv /tmp/oca-repos/account-financial-reporting/account_tax_balance /opt/odoo/additional_addons/ &&\
-        git clone -b 15.0 --depth 1 https://github.com/OCA/account-financial-tools.git /tmp/oca-repos/account-financial-tools &&\
+        curl -L https://github.com/OCA/account-financial-tools/tarball/15.0 | tar -xzC /tmp/oca-repos/ --one-top-level="account-financial-tools" --strip-components 1 &&\
         mv /tmp/oca-repos/account-financial-tools/account_lock_date_update \
            /tmp/oca-repos/account-financial-tools/account_move_name_sequence \
            /opt/odoo/additional_addons/ &&\
-        git clone -b 15.0 --depth 1 https://github.com/OCA/account-invoicing.git /tmp/oca-repos/account-invoicing &&\
+        curl -L https://github.com/OCA/account-invoicing/tarball/15.0 | tar -xzC /tmp/oca-repos/ --one-top-level="account-invoicing" --strip-components 1 &&\
         mv /tmp/oca-repos/account-invoicing/sale_timesheet_invoice_description \
            /opt/odoo/additional_addons/ &&\
-        git clone -b 15.0 --depth 1 https://github.com/OCA/account-reconcile.git /tmp/oca-repos/account-reconcile &&\
+        curl -L https://github.com/OCA/account-reconcile/tarball/15.0 | tar -xzC /tmp/oca-repos/ --one-top-level="account-reconcile" --strip-components 1 &&\
         mv /tmp/oca-repos/account-reconcile/account_reconciliation_widget \
            /opt/odoo/additional_addons/ &&\
-        git clone -b 15.0 --depth 1 https://github.com/OCA/bank-statement-import.git /tmp/oca-repos/bank-statement-import &&\
+        curl -L https://github.com/OCA/bank-statement-import/tarball/15.0 | tar -xzC /tmp/oca-repos/ --one-top-level="bank-statement-import" --strip-components 1 &&\
         mv /tmp/oca-repos/bank-statement-import/account_statement_import \
            /opt/odoo/additional_addons/ &&\
-        git clone -b 15.0 --depth 1 https://github.com/OCA/crm.git /tmp/oca-repos/crm &&\
+        curl -L https://github.com/OCA/crm/tarball/15.0 | tar -xzC /tmp/oca-repos/ --one-top-level="crm" --strip-components 1 &&\
         mv /tmp/oca-repos/crm/crm_stage_probability /opt/odoo/additional_addons/ &&\
-        git clone -b 15.0 --depth 1 https://github.com/OCA/partner-contact.git /tmp/oca-repos/partner-contact &&\
+        curl -L https://github.com/OCA/partner-contact/tarball/15.0 | tar -xzC /tmp/oca-repos/ --one-top-level="partner-contact" --strip-components 1 &&\
         mv /tmp/oca-repos/partner-contact/partner_firstname \
            /opt/odoo/additional_addons/ &&\
-        git clone -b 15.0 --depth 1 https://github.com/OCA/project.git /tmp/oca-repos/project &&\
+        curl -L https://github.com/OCA/project/tarball/15.0 | tar -xzC /tmp/oca-repos/ --one-top-level="project" --strip-components 1 &&\
         mv /tmp/oca-repos/project/project_status \
            /tmp/oca-repos/project/project_task_default_stage \
            /tmp/oca-repos/project/project_template \
            /tmp/oca-repos/project/project_timeline \
            /opt/odoo/additional_addons/ &&\
-        git clone -b 15.0 --depth 1 https://github.com/OCA/server-brand.git /tmp/oca-repos/server-brand &&\
+        curl -L https://github.com/OCA/server-brand/tarball/15.0 | tar -xzC /tmp/oca-repos/ --one-top-level="server-brand" --strip-components 1 &&\
         mv /tmp/oca-repos/server-brand/disable_odoo_online \
            /tmp/oca-repos/server-brand/remove_odoo_enterprise \
            /opt/odoo/additional_addons/ &&\
-        git clone -b 15.0 --depth 1 https://github.com/OCA/server-tools.git /tmp/oca-repos/server-tools &&\
+        curl -L https://github.com/OCA/server-tools/tarball/15.0 | tar -xzC /tmp/oca-repos/ --one-top-level="server-tools" --strip-components 1 &&\
         mv /tmp/oca-repos/server-tools/base_search_fuzzy \
            /tmp/oca-repos/server-tools/module_change_auto_install \
            /opt/odoo/additional_addons/ &&\
-        git clone -b 15.0 --depth 1 https://github.com/OCA/server-ux.git /tmp/oca-repos/server-ux &&\
+        curl -L https://github.com/OCA/server-ux/tarball/15.0 | tar -xzC /tmp/oca-repos/ --one-top-level="server-ux" --strip-components 1 &&\
         mv /tmp/oca-repos/server-ux/base_technical_features \
             /tmp/oca-repos/server-ux/date_range \
            /tmp/oca-repos/server-ux/mass_editing \
            /opt/odoo/additional_addons/ &&\
-        git clone -b 15.0 --depth 1 https://github.com/OCA/social.git /tmp/oca-repos/social &&\
+        curl -L https://github.com/OCA/social/tarball/15.0 | tar -xzC /tmp/oca-repos/ --one-top-level="social" --strip-components 1 &&\
         mv /tmp/oca-repos/social/base_search_mail_content \
            /tmp/oca-repos/social/mail_debrand \
            /tmp/oca-repos/social/mail_tracking \
            /opt/odoo/additional_addons/ &&\
-        git clone -b 15.0 --depth 1 https://github.com/OCA/web.git /tmp/oca-repos/web &&\
+        curl -L https://github.com/OCA/web/tarball/15.0 | tar -xzC /tmp/oca-repos/ --one-top-level="web" --strip-components 1 &&\
         mv /tmp/oca-repos/web/web_environment_ribbon \
            /tmp/oca-repos/web/web_responsive \
            /tmp/oca-repos/web/web_no_bubble \