protocol-buffers upper bound for #4167

build-constraints.yaml

@@ -9,7 +9,7 @@ cabal-format-version: "2.2"
 packages:
     "Joerg Winter <jwin1968@gmail.com> @clojj":
         - rosezipper
-        
+
     "Edward Wastell <edward@wastell.co.uk> @edwardwas":
         - TotalMap
         - sized-grid
@@ -3855,6 +3855,11 @@ packages:
 
         # https://github.com/commercialhaskell/stackage/issues/4156
         - base-unicode-symbols < 0.2.3
+
+        # https://github.com/commercialhaskell/stackage/issues/4167
+        - protocol-buffers < 2.4.12
+        - protocol-buffers-descriptor < 2.4.12
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of