diff --git a/stack.yaml b/stack.yaml
index d80b76b..11b953b 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -8,7 +8,7 @@ extra-deps:
 - pragmatic-show-0.1.2.1
 - constrained-categories-0.4.0.0
 - free-vector-spaces-0.1.5.0
-- linearmap-category-0.3.5.0
+- linearmap-category-0.4.0.0
 - vector-space-0.16
 - spatial-rotations-0.1.0.1
 - trivial-constraint-0.4.0.0