diff --git a/src/app.js b/src/app.js
index eb80d1e8e..f6cb4aa5d 100644
--- a/src/app.js
+++ b/src/app.js
@@ -418,15 +418,15 @@ app.route("/cli")
  * to programmatic clients, though we're not this fancy yet.
  */
 const schemaRoutes = [
-  ["/schemas/augur/annotations",       "https://raw.githubusercontent.com/nextstrain/augur/master/augur/data/schema-annotations.json"],
-  ["/schemas/augur/frequencies",       "https://raw.githubusercontent.com/nextstrain/augur/master/augur/data/schema-frequencies.json"],
-  ["/schemas/auspice/config/v2",       "https://raw.githubusercontent.com/nextstrain/augur/master/augur/data/schema-auspice-config-v2.json"],
-  ["/schemas/dataset/v1/meta",         "https://raw.githubusercontent.com/nextstrain/augur/master/augur/data/schema-export-v1-meta.json"],
-  ["/schemas/dataset/v1/tree",         "https://raw.githubusercontent.com/nextstrain/augur/master/augur/data/schema-export-v1-tree.json"],
-  ["/schemas/dataset/v2",              "https://raw.githubusercontent.com/nextstrain/augur/master/augur/data/schema-export-v2.json"],
-  ["/schemas/dataset/root-sequence",   "https://raw.githubusercontent.com/nextstrain/augur/master/augur/data/schema-export-root-sequence.json"],
-  ["/schemas/dataset/tip-frequencies", "https://raw.githubusercontent.com/nextstrain/augur/master/augur/data/schema-tip-frequencies.json"],
-  ["/schemas/dataset/measurements",    "https://raw.githubusercontent.com/nextstrain/augur/master/augur/data/schema-measurements.json"],
+  ["/schemas/augur/annotations",       "https://raw.githubusercontent.com/nextstrain/augur/HEAD/augur/data/schema-annotations.json"],
+  ["/schemas/augur/frequencies",       "https://raw.githubusercontent.com/nextstrain/augur/HEAD/augur/data/schema-frequencies.json"],
+  ["/schemas/auspice/config/v2",       "https://raw.githubusercontent.com/nextstrain/augur/HEAD/augur/data/schema-auspice-config-v2.json"],
+  ["/schemas/dataset/v1/meta",         "https://raw.githubusercontent.com/nextstrain/augur/HEAD/augur/data/schema-export-v1-meta.json"],
+  ["/schemas/dataset/v1/tree",         "https://raw.githubusercontent.com/nextstrain/augur/HEAD/augur/data/schema-export-v1-tree.json"],
+  ["/schemas/dataset/v2",              "https://raw.githubusercontent.com/nextstrain/augur/HEAD/augur/data/schema-export-v2.json"],
+  ["/schemas/dataset/root-sequence",   "https://raw.githubusercontent.com/nextstrain/augur/HEAD/augur/data/schema-export-root-sequence.json"],
+  ["/schemas/dataset/tip-frequencies", "https://raw.githubusercontent.com/nextstrain/augur/HEAD/augur/data/schema-tip-frequencies.json"],
+  ["/schemas/dataset/measurements",    "https://raw.githubusercontent.com/nextstrain/augur/HEAD/augur/data/schema-measurements.json"],
 ];
 
 for (const [schemaRoute, url] of schemaRoutes) {