diff --git a/build-constraints.yaml b/build-constraints.yaml
index 2676b004..1112454e 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2898,6 +2898,9 @@ packages:
         - proto-lens-arbitrary
         - proto-lens-optparse
 
+    "Christof Schramm <christof.schramm@campus.lmu.de>":
+        - mnist-idx
+
     # If you stop maintaining a package you can move it here.
     # It will then be disabled if it starts causing problems.
     # See https://github.com/fpco/stackage/issues/1056