diff --git a/build-constraints.yaml b/build-constraints.yaml
index 7cc0aa90..e911b714 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -502,6 +502,7 @@ packages:
         - comfort-array
         - comfort-array-shape
         - comfort-fftw
+        - comfort-glpk
         - concurrent-split
         - cutter
         - data-accessor
@@ -594,6 +595,7 @@ packages:
         - hsshellscript < 0  # https://github.com/commercialhaskell/stackage/issues/6762
         - hyper
         - storable-endian
+        - glpk-headers
 
     "Jeremy Barisch-Rooney <barischj@tcd.ie> @barischrooneyj":
         - threepenny-gui-flexbox