diff --git a/build-constraints.yaml b/build-constraints.yaml
index 46d3b3e5..2f079d70 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -894,7 +894,7 @@ packages:
 
     "Jeffrey Rosenbluth jeffrey.rosenbluth@gmail.com":
         - palette
-        #- diagrams-canvas GHC 7.10, via blank-canvas
+        - diagrams-canvas
         - diagrams-rasterific
         - lucid-svg
         - diagrams-html5