diff --git a/build-constraints.yaml b/build-constraints.yaml
index 8cd3c2d5..4f82d73f 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4125,7 +4125,7 @@ expected-test-failures:
     - tcp-streams # https://github.com/didi-FP/tcp-streams/issues/5
     - tmp-postgres # https://github.com/jfischoff/tmp-postgres/issues/1
     - HTTP # e.g. "ERROR: Network.Socket.connect: <socket: 6>: unsupported operation (Cannot assign requested address)", I'm not sure if this is a build server issue...
-    # zstd # ghc 8.2.2 bug? https://github.com/fpco/stackage/issues/3219
+    - zstd # ghc 8.2.2 bug? https://github.com/fpco/stackage/issues/3219
 
     # Linting failures (these may break every time HLint gets updated so keep them disabled)
     # https://www.snoyman.com/blog/2017/11/future-proofing-test-suites
@@ -4155,7 +4155,7 @@ expected-benchmark-failures:
     - xxhash # https://github.com/christian-marie/xxhash/issues/4
     - monad-memo # https://github.com/EduardSergeev/monad-memo/issues/3
     - cmark-gfm # https://github.com/kivikakk/cmark-gfm-hs/issues/5
-    # lz4 # https://github.com/fpco/stackage/issues/3510
+    - lz4 # https://github.com/fpco/stackage/issues/3510
     - hledger # https://github.com/fpco/stackage/issues/3573
     - logging-effect # https://github.com/fpco/stackage/issues/3641