diff --git a/all_stack.sh b/all_stack.sh
index f906b12ed..413d7e2aa 100755
--- a/all_stack.sh
+++ b/all_stack.sh
@@ -22,3 +22,9 @@ stack build --resolver lts-7.13
 stack build --resolver lts-7.14
 stack build --resolver lts-7.15
 stack build --resolver lts-7.16
+stack build --resolver lts-8.0
+stack build --resolver lts-8.1
+stack build --resolver lts-8.2
+stack build --resolver lts-8.3
+stack build --resolver lts-8.4
+stack build --resolver lts-8.5
diff --git a/src/Protolude.hs b/src/Protolude.hs
index dc8be4b3d..938b9ff2f 100644
--- a/src/Protolude.hs
+++ b/src/Protolude.hs
@@ -373,9 +373,9 @@ import GHC.Generics as X (
   , D1
   , C1
   , S1
-  , (:+:)
-  , (:*:)
-  , (:.:)
+  , (:+:)(..)
+  , (:*:)(..)
+  , (:.:)(..)
   , Rec0
   , Constructor(..)
   , Datatype(..)