diff --git a/docs/release-notes/rl-0.8.md b/docs/release-notes/rl-0.8.md
index eb9e1f74..7ecb1085 100644
--- a/docs/release-notes/rl-0.8.md
+++ b/docs/release-notes/rl-0.8.md
@@ -418,3 +418,8 @@
 
 - Add Clojure support under `vim.languages.clojure` using [clojure-lsp]
 - Add code evaluation environment [conjure] under `vim.repl.conjure`
+
+[CallumGilly](https://github.com/CallumGilly):
+
+- Add missing `transparent` option for existing
+  [onedark.nvim](https://github.com/navarasu/onedark.nvim) theme.
diff --git a/modules/plugins/theme/supported-themes.nix b/modules/plugins/theme/supported-themes.nix
index 9c5e380c..9c1bf03a 100644
--- a/modules/plugins/theme/supported-themes.nix
+++ b/modules/plugins/theme/supported-themes.nix
@@ -21,9 +21,14 @@ in {
     '';
   };
   onedark = {
-    setup = {style ? "dark", ...}: ''
+    setup = {
+      style ? "dark",
+      transparent,
+      ...
+    }: ''
       -- OneDark theme
       require('onedark').setup {
+        transparent = ${boolToString transparent},
         style = "${style}"
       }
       require('onedark').load()