diff --git a/Dockerfile b/Dockerfile
index fc836c3..e718599 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -113,12 +113,10 @@ ARG odoo_version
 
 # Install Odoo requirements (use ADD for correct layer caching).
 # We use requirements from OCB for easier maintenance of older versions.
-ADD https://api.github.com/repos/OCA/OCB/git/refs/heads/$odoo_version /tmp/branch.json
+ADD https://api.github.com/repos/OCA/OCB/contents/requirements.txt?ref=$odoo_version /tmp/requirements_content.json
 
-# Use the commit SHA from JSON to download exact requirements.txt
-RUN SHA=$(jq -r .object.sha /tmp/branch.json) \
- && curl -sSL "https://raw.githubusercontent.com/OCA/OCB/${SHA}/requirements.txt" \
-    -o /tmp/ocb-requirements.txt
+# Use the content from the file downloaded
+RUN jq -r .content /tmp/requirements_content.json | base64 -d > /tmp/ocb-requirements.txt
 # The sed command is to use the latest version of gevent and greenlet. The
 # latest version works with all versions of Odoo that we support here, and the
 # oldest pinned in Odoo's requirements.txt don't have wheels, and don't build
diff --git a/Dockerfile-legacypy b/Dockerfile-legacypy
index 8b015a0..40a1f47 100644
--- a/Dockerfile-legacypy
+++ b/Dockerfile-legacypy
@@ -108,12 +108,10 @@ ARG odoo_version
 
 # Install Odoo requirements (use ADD for correct layer caching).
 # We use requirements from OCB for easier maintenance of older versions.
-ADD https://api.github.com/repos/OCA/OCB/git/refs/heads/$odoo_version /tmp/branch.json
+ADD https://api.github.com/repos/OCA/OCB/contents/requirements.txt?ref=$odoo_version /tmp/requirements_content.json
 
-# Use the commit SHA from JSON to download exact requirements.txt
-RUN SHA=$(jq -r .object.sha /tmp/branch.json) \
- && curl -sSL "https://raw.githubusercontent.com/OCA/OCB/${SHA}/requirements.txt" \
-    -o /tmp/ocb-requirements.txt
+# Use the content from the file downloaded
+RUN jq -r .content /tmp/requirements_content.json | base64 -d > /tmp/ocb-requirements.txt
 # The sed command is to use the latest version of gevent and greenlet. The
 # latest version works with all versions of Odoo that we support here, and the
 # oldest pinned in Odoo's requirements.txt don't have wheels, and don't build