diff --git a/var/spack/repos/builtin/packages/mono/package.py b/var/spack/repos/builtin/packages/mono/package.py
index 6a7a96300ac606402309cf3cde1b5b68457a08b1..8b4e36b2b696ff61b1575ae1c5b29e952ca78da5 100644
--- a/var/spack/repos/builtin/packages/mono/package.py
+++ b/var/spack/repos/builtin/packages/mono/package.py
@@ -27,7 +27,10 @@ class Mono(AutotoolsPackage):
     depends_on('cmake~openssl', type=('build'))
     depends_on('iconv')
     depends_on('perl', type=('build'))
+    depends_on('python', type=('build'))
 
+    version('6.8.0.123', sha256='e2e42d36e19f083fc0d82f6c02f7db80611d69767112af353df2f279744a2ac5',
+            url='https://download.mono-project.com/sources/mono/mono-6.8.0.123.tar.xz')
     version('6.8.0.105', sha256='578799c44c3c86a9eb5daf6dec6c60a24341940fd376371956d4a46cf8612178',
             url='https://download.mono-project.com/sources/mono/mono-6.8.0.105.tar.xz')
     version('5.18.0.240', sha256='143e80eb00519ff496742e78ee07403a3c3629437f3a498eee539de8108da895')