diff --git a/build-constraints.yaml b/build-constraints.yaml
index 40010f43..199e372f 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2309,7 +2309,9 @@ packages:
     "Suhail Shergill <suhailshergill@gmail.com> @suhailshergill":
         - extensible-effects
 
-    # "Justus Adam <dev@justus.science> @JustusAdam":
+    "Justus Adam <dev@justus.science> @JustusAdam":
+        - marvin >= 0.1.4
+        - marvin-interpolate >= 1.1
         - mustache
 
     "Cindy Wang <cindylinz@gmail.com> @CindyLinz":