diff --git a/build-constraints.yaml b/build-constraints.yaml
index b1122ec5..5a161d20 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1938,6 +1938,9 @@ expected-test-failures:
     # Requires a running server
     - pipes-mongodb
 
+    # https://github.com/tweag/HaskellR/issues/208
+    - R
+
 # Haddocks which are expected to fail. Same concept as expected test failures.
 expected-haddock-failures:
     # https://github.com/acw/bytestring-progress/issues/4