diff --git a/umap/settings/base.py b/umap/settings/base.py
index 1e069b54..c4f59096 100644
--- a/umap/settings/base.py
+++ b/umap/settings/base.py
@@ -182,6 +182,18 @@ STORAGES = {
         "BACKEND": "umap.storage.UmapManifestStaticFilesStorage",
     },
 }
+# Add application/json and application/geo+json to default django-storages setting
+# in order to gzip our datalayers geojson files.
+GZIP_CONTENT_TYPES = [
+    "text/css",
+    "text/javascript",
+    "application/javascript",
+    "application/x-javascript",
+    "image/svg+xml",
+    "application/json",
+    "application/geo+json",
+]
+
 
 # =============================================================================
 # Templates
diff --git a/umap/storage.py b/umap/storage.py
index 677bf7de..dd862a1b 100644
--- a/umap/storage.py
+++ b/umap/storage.py
@@ -72,6 +72,8 @@ class UmapManifestStaticFilesStorage(ManifestStaticFilesStorage):
 
 
 class UmapS3(S3Storage):
+    gzip = True
+
     def get_reference_version(self, instance):
         metadata = self.connection.meta.client.head_object(
             Bucket=self.bucket_name, Key=instance.geojson.name