diff --git a/pkgs/by-name/ki/kikit/default.nix b/pkgs/by-name/ki/kikit/default.nix
index e34f12652ede..e8356fd0a0ff 100644
--- a/pkgs/by-name/ki/kikit/default.nix
+++ b/pkgs/by-name/ki/kikit/default.nix
@@ -10,6 +10,7 @@
 , numpy
 , click
 , markdown2
+, openscad
 , pytestCheckHook
 , commentjson
 , wxpython
@@ -23,7 +24,7 @@ let
 in
 buildPythonApplication rec {
   pname = "kikit";
-  version = "1.4.0";
+  version = "1.5.0";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
@@ -32,7 +33,7 @@ buildPythonApplication rec {
     owner = "yaqwsx";
     repo = "KiKit";
     rev = "refs/tags/v${version}";
-    hash = "sha256-88/1bL3MtawR/8P8U1jHatMbq+JxF1qb+plH3rYh1qU=";
+    hash = "sha256-f8FB6EEy9Ch4LcMKd9PADXV9QrSb7e22Ui86G6AnQKE=";
   };
 
   propagatedBuildInputs = [
@@ -40,6 +41,9 @@ buildPythonApplication rec {
     numpy
     click
     markdown2
+    # OpenSCAD is an optional dependency (see
+    # https://github.com/yaqwsx/KiKit/blob/v1.5.0/docs/installation/intro.md#optional-dependencies).
+    openscad
     commentjson
     # https://github.com/yaqwsx/KiKit/issues/575
     wxpython