diff --git a/docs/conf.py b/docs/conf.py
old mode 100644
new mode 100755
index a4d6cca..7421890
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -1 +1,12 @@
-from crate.theme.rtd.conf.theme import *
+from crate.theme.rtd.conf.crate_docs import *
+
+# Re-configure sitemap generation URLs.
+# This is a project without versioning.
+sitemap_url_scheme = "{link}"
+
+# Disable version chooser.
+html_context.update({
+    "display_version": False,
+    "current_version": None,
+    "versions": [],
+})
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 5a1db45..d2d1abc 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,2 +1,7 @@
 sphinx>=3,<10
-crate-docs-theme>=0.42.0
+
+# TEMPORARY, for the docs.cratedb.com migration proof of concept.
+#
+# Restore `crate-docs-theme>=0.42.0` once the migration theme ships as a
+# final release.
+crate-docs-theme==0.51.0.dev0