diff --git a/build-constraints.yaml b/build-constraints.yaml
index 25935073..30a21319 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -6687,6 +6687,7 @@ packages:
       - greskell-websocket < 1.0.0.0
       - hruby < 0.4.0.0
       - hspec-expectations-json < 1.0.0.5
+      - http2 < 3.0.3
       - jose < 0.9
       - jsonpath < 0.2.1.0
       - kanji < 3.5