diff --git a/build-constraints.yaml b/build-constraints.yaml
index 76215381..99004ad8 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -445,9 +445,9 @@ packages:
         # GHC 8 - pipes-extras
         - pipes-parse
         - pipes-concurrency
-        # GHC 8 - pipes-safe
-        # GHC 8 - turtle
-        # GHC 8 - foldl
+        - pipes-safe
+        - turtle
+        - foldl
         # GHC 8 - morte
 
     "Andrew Thaddeus Martin <andrew.thaddeus@gmail.com>":