diff --git a/build-constraints.yaml b/build-constraints.yaml
index 8a7952a1..9cbe0356 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -140,7 +140,7 @@ packages:
         - cutter
         - data-accessor
         - data-accessor-mtl
-        - data-accessor-template # 0 # GHC 8.4 via template-haskell-2.13.0.0
+        - data-accessor-template
         - data-accessor-transformers
         - data-ref
         - dsp
@@ -192,7 +192,7 @@ packages:
         - blas-carray
         - lapack-ffi
         - lapack-carray
-        - lapack-ffi-tools < 0 # GHC 8.4 via base-4.11.0.0
+        - lapack-ffi-tools # 0 # GHC 8.4 via base-4.11.0.0
         # Not a maintainer
         - ix-shapable