diff --git a/cabal.project b/cabal.project
index 3d38b0bc2..0cad3a3d1 100644
--- a/cabal.project
+++ b/cabal.project
@@ -82,3 +82,6 @@ allow-newer: vault:hashable
 allow-newer: psqueues:hashable
 allow-newer: insert-ordered-containers:hashable
 allow-newer: openapi3:hashable
+
+constraints:
+  http2 ==5.3.2