diff --git a/build-constraints.yaml b/build-constraints.yaml
index fdfc9254..64c7af91 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -50,7 +50,7 @@ packages:
         - opencv-extra < 0 # hard to install build tools
 
     "Pasqualino Assini <tittoassini@gmail.com> @tittoassini":
-        - zm
+        # - zm # compilation failure https://github.com/Quid2/zm/issues/1
         - flat
         - model
 
@@ -3386,7 +3386,7 @@ packages:
 
     "Jeremy Huffman <jeremy@jeremyhuffman.com> @jeremyjh":
         - higher-leveldb
-        
+
     "Adam Curtis <kallisti.dev@gmail.com> @kallisti-dev":
         - webdriver
         - cond
@@ -3477,9 +3477,6 @@ packages:
         # https://github.com/fpco/stackage/issues/2978
         - conduit-extra < 1.2.0
 
-        # https://github.com/Quid2/zm/issues/1
-        - zm < 0.2.4
-
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of