diff --git a/build-constraints.yaml b/build-constraints.yaml
index 92e45a9c..8191928a 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -791,6 +791,9 @@ packages:
         # https://github.com/fpco/stackage/issues/476
         - vector-space < 0.10
 
+        # https://github.com/ekmett/linear/issues/70
+        - linear < 1.18
+
 # Package flags are applied to individual packages, and override the values of
 # global-flags
 package-flags: