diff --git a/build-constraints.yaml b/build-constraints.yaml
index b1a729d2..0d05f839 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1295,6 +1295,9 @@ packages:
         - bindings-GLFW
         - GLFW-b
 
+    "Niklas Hambüchen mail@nh2.me @nh2":
+        - iso8601-time
+
     "Stackage upper bounds":
         # https://github.com/fpco/stackage/issues/537
         - zlib < 0.6