diff --git a/build-constraints.yaml b/build-constraints.yaml
index 7c18936a..81b4fb59 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2559,7 +2559,7 @@ packages:
         - eventful-sql-common
         - eventful-sqlite
         - eventful-test-helpers
-        # - stratosphere # build failure with GHC 8.4 https://github.com/frontrowed/stratosphere/issues/81
+        - stratosphere
         - sum-type-boilerplate
 
     "Iñaki García Etxebarria <garetxe@gmail.com> @garetxe":