diff --git a/home-manager/programs/emacs/elisp/init.org b/home-manager/programs/emacs/elisp/init.org
index 6db10c0..ffcfcea 100644
--- a/home-manager/programs/emacs/elisp/init.org
+++ b/home-manager/programs/emacs/elisp/init.org
@@ -883,6 +883,12 @@
 
   (add-to-list 'auto-mode-alist '("\\.po$" . po-mode))
 #+END_SRC
+** prolog
+#+begin_src emacs-lisp :tangle yes
+  (autoload-if-found '(prolog-mode) "prolog-mode" nil t)
+
+  (add-to-list 'auto-mode-alist '("\\.pl$" . prolog-mode))
+#+end_src
 ** protobuf-mode
 #+begin_src emacs-lisp :tangle yes
   (autoload-if-found '(protobuf-mode) "protobuf-mode" nil t)
@@ -4594,6 +4600,13 @@ https://github.com/ch11ng/exwm/wiki#gpg-pinentry
   (with-eval-after-load 'org-src
     (add-to-list 'org-src-lang-modes '("racket" . racket)))
 #+end_src
+*** ob-prolog
+#+begin_src emacs-lisp :tangle yes
+  (autoload-if-found '(org-babel-execute:prolog) "ob-prolog" nil t)
+
+  (with-eval-after-load 'org-src
+    (add-to-list 'org-src-lang-modes '("prolog" . pl)))
+#+end_src
 *** org-nix-shell
 #+begin_src emacs-lisp :tangle yes
   (autoload-if-found '(org-nix-shell-mode) "org-nix-shell" nil t)
diff --git a/home-manager/programs/emacs/epkgs/packages/org/default.nix b/home-manager/programs/emacs/epkgs/packages/org/default.nix
index 739dbe0..e88bac9 100644
--- a/home-manager/programs/emacs/epkgs/packages/org/default.nix
+++ b/home-manager/programs/emacs/epkgs/packages/org/default.nix
@@ -58,6 +58,7 @@ with epkgs;
   packages.ob-treesitter
   packages.ob-racket
   ob-base64
+  ob-prolog
   org-nix-shell
 
   # Org Publish