diff --git a/build-constraints.yaml b/build-constraints.yaml
index 29765990..920a2024 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -671,7 +671,7 @@ packages:
     "Vincent Berthoux <vincent.berthoux@gmail.com> @Twinside":
         - JuicyPixels
         - FontyFruity
-        - Rasterific
+        # - Rasterific # build failure with ghc 8.4 https://github.com/Twinside/Rasterific/issues/38
         - svg-tree
         - rasterific-svg
         - asciidiagram
@@ -3267,6 +3267,7 @@ packages:
     "Build failure with GHC 8.4":
         - Chart < 0 # build failure with GHC 8.4 https://github.com/timbod7/haskell-chart/issues/181
         - PSQueue < 0 # build failure with GHC 8.4 (nowhere to report, it's ancient just let it die)
+        - Rasterific < 0 # build failure with GHC 8.4 https://github.com/Twinside/Rasterific/issues/38
         - b9 < 0 # build failure with GHC 8.4 https://github.com/sheyll/b9-vm-image-builder/issues/4
         - cabal-rpm < 0 # build failure with GHC 8.4 https://github.com/juhp/cabal-rpm/issues/55
         - conduit-parse < 0 # build failure with GHC 8.4 https://github.com/k0ral/conduit-parse/issues/3