diff --git a/var/spack/repos/builtin/packages/py-ipywidgets/package.py b/var/spack/repos/builtin/packages/py-ipywidgets/package.py
index 9acf7a2146..4ea627e41d 100644
--- a/var/spack/repos/builtin/packages/py-ipywidgets/package.py
+++ b/var/spack/repos/builtin/packages/py-ipywidgets/package.py
@@ -13,6 +13,7 @@ class PyIpywidgets(PythonPackage):
     pypi = "ipywidgets/ipywidgets-7.6.5.tar.gz"
 
     version('7.6.5', sha256='00974f7cb4d5f8d494c19810fedb9fa9b64bffd3cda7c2be23c133a1ad3c99c5')
+    version('7.6.3', sha256='9f1a43e620530f9e570e4a493677d25f08310118d315b00e25a18f12913c41f0')
     version('7.5.1', sha256='e945f6e02854a74994c596d9db83444a1850c01648f1574adf144fbbabe05c97')
     version('7.4.2', sha256='a3e224f430163f767047ab9a042fc55adbcab0c24bbe6cf9f306c4f89fdf0ba3')
     version('5.2.2', sha256='baf6098f054dd5eacc2934b8ea3bef908b81ca8660d839f1f940255a72c660d2')