diff --git a/build-constraints.yaml b/build-constraints.yaml
index 4952fcdc..3876a11d 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4938,6 +4938,9 @@ packages:
       # https://github.com/commercialhaskell/stackage/issues/5597
       - optparse-applicative < 0.16
 
+      # https://github.com/commercialhaskell/stackage/issues/5598
+      - base64-bytestring < 1.2
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of