diff --git a/build-constraints.yaml b/build-constraints.yaml
index df49ea8f..c10d32c5 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -569,6 +569,7 @@ packages:
 
     "Digital Asset <shayne.fletcher@digitalasset.com>":
         - ghc-lib
+        - ghc-lib-parser
 
     "Karl Ostmo <kostmo@gmail.com> @kostmo":
         - perfect-hash-generator
@@ -3995,6 +3996,7 @@ packages:
         - fail
         - fast-logger
         - fast-math
+        - fib
         - file-embed
         - file-embed-lzma
         - filemanip