diff --git a/README.org b/README.org
index 03ff4a6..6c682c4 100644
--- a/README.org
+++ b/README.org
@@ -225,8 +225,6 @@ The [[info:emacs#Init File][init file (info)]] does not load the ~custom-file~ a
    '(package-selected-packages
      '(async              ; asynchroneous processing
        auctex             ; Aalborg University Center TeX
-       citar              ; bibliography handling
-       citar-embark       ; citar and embark integration
        company            ; complete anything
        consult            ; consult completing-read
        embark             ; act on any buffer selection
@@ -1979,30 +1977,35 @@ configuration.
 #+name: lst:configure-oc-cite+citar
 #+begin_src emacs-lisp
   (with-eval-after-load 'oc
+    ;; Org-9.5 needs the requirements, but Org-9.6 does not.
     (require 'oc-biblatex)
-    (require 'oc-csl)
-
-    (custom-set-variables
-     '(org-cite-export-processors '((latex biblatex)
-                                    (t csl)))
-     '(org-cite-global-bibliography '("~/VCS/research/refs.bib")))
-
-    (when (require 'citar nil 'noerror)
-      (custom-set-variables
-       '(org-cite-activate-processor 'citar)
-       '(org-cite-follow-processor 'citar)
-       '(org-cite-insert-processor 'citar))))
+    (require 'oc-csl))
 
   (with-eval-after-load 'org
-    (when (require 'citar nil 'noerror)
-      (custom-set-variables
-       '(citar-bibliography '("~/VCS/research/refs.bib"))
-       '(citar-library-file-extensions '("djvu" "pdf"))
-       '(citar-library-paths '("~/VCS/research/papers/")))
+    (define-key org-mode-map (kbd "C-c b") #'org-cite-insert))
+
+  (when (ensure-package-installation 'citar 'citar-embark)
+    (with-eval-after-load 'embark
       (when (fboundp 'citar-embark-mode)
         (citar-embark-mode +1)))
 
-    (define-key org-mode-map (kbd "C-c b") #'org-cite-insert))
+    (with-eval-after-load 'oc
+      (custom-set-variables
+     '(org-cite-export-processors '((latex biblatex)
+                                    (t csl)))
+     '(org-cite-global-bibliography '("~/VCS/research/refs.bib")))
+      (when (require 'citar nil 'noerror)
+        (custom-set-variables
+         '(org-cite-activate-processor 'citar)
+         '(org-cite-follow-processor 'citar)
+         '(org-cite-insert-processor 'citar))))
+
+    (with-eval-after-load 'org
+      (when (require 'citar nil 'noerror)
+        (custom-set-variables
+         '(citar-bibliography '("~/VCS/research/refs.bib"))
+         '(citar-library-file-extensions '("djvu" "pdf"))
+         '(citar-library-paths '("~/VCS/research/papers/"))))))
 #+end_src
 
 Ref. [cite:@Schulte.MCSE.2011.41] shows that [[https://orgmode.org/][Org-mode]] is a simple, plain-text