diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index af30d0f..234b1ed 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,8 @@ jobs:
           - nightly
         include:
           - rust: 1.37.0
-            test_features: "--all-features"
+            # exclude ui_test as the output is slightly different in rustc 1.37
+            test_features: "--features impl_json_schema,chrono,indexmap,either,uuid,smallvec,arrayvec,schema_for_schema"
             allow_failure: false
           - rust: stable
             test_features: "--all-features"