diff --git a/apps/api_web/mix.exs b/apps/api_web/mix.exs
index dd893d50..e7004f40 100644
--- a/apps/api_web/mix.exs
+++ b/apps/api_web/mix.exs
@@ -67,7 +67,7 @@ defmodule ApiWeb.Mixfile do
       {:bandit, "~> 1.0-pre"},
       {:ja_serializer, github: "mbta/ja_serializer", branch: "master"},
       {:timex, "~> 3.7"},
-      {:corsica, "~> 1.3"},
+      {:corsica, "~> 2.1"},
       {:state_mediator, in_umbrella: true},
       {:health, in_umbrella: true},
       {:api_accounts, in_umbrella: true},
diff --git a/mix.lock b/mix.lock
index da8e6e43..152214e9 100644
--- a/mix.lock
+++ b/mix.lock
@@ -12,7 +12,7 @@
   "combine": {:hex, :combine, "0.10.0", "eff8224eeb56498a2af13011d142c5e7997a80c8f5b97c499f84c841032e429f", [:mix], [], "hexpm", "1b1dbc1790073076580d0d1d64e42eae2366583e7aecd455d1215b0d16f2451b"},
   "comeonin": {:hex, :comeonin, "5.4.0", "246a56ca3f41d404380fc6465650ddaa532c7f98be4bda1b4656b3a37cc13abe", [:mix], [], "hexpm", "796393a9e50d01999d56b7b8420ab0481a7538d0caf80919da493b4a6e51faf1"},
   "connection": {:hex, :connection, "1.1.0", "ff2a49c4b75b6fb3e674bfc5536451607270aac754ffd1bdfe175abe4a6d7a68", [:mix], [], "hexpm", "722c1eb0a418fbe91ba7bd59a47e28008a189d47e37e0e7bb85585a016b2869c"},
-  "corsica": {:hex, :corsica, "1.3.0", "bbec02ccbeca1fdf44ee23b25a8ae32f7c6c28fc127ef8836dd8420e8f65bd9b", [:mix], [{:plug, "~> 1.0", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm", "8847ec817554047e9aa6d9933539cacb10c4ee60b58e0c15c3b380c5b737b35f"},
+  "corsica": {:hex, :corsica, "2.1.3", "dccd094ffce38178acead9ae743180cdaffa388f35f0461ba1e8151d32e190e6", [:mix], [{:plug, "~> 1.0", [hex: :plug, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4.0 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "616c08f61a345780c2cf662ff226816f04d8868e12054e68963e95285b5be8bc"},
   "credo": {:hex, :credo, "1.6.7", "323f5734350fd23a456f2688b9430e7d517afb313fbd38671b8a4449798a7854", [:mix], [{:bunt, "~> 0.2.1", [hex: :bunt, repo: "hexpm", optional: false]}, {:file_system, "~> 0.2.8", [hex: :file_system, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "41e110bfb007f7eda7f897c10bf019ceab9a0b269ce79f015d54b0dcf4fc7dd3"},
   "dialyxir": {:hex, :dialyxir, "1.2.0", "58344b3e87c2e7095304c81a9ae65cb68b613e28340690dfe1a5597fd08dec37", [:mix], [{:erlex, ">= 0.2.6", [hex: :erlex, repo: "hexpm", optional: false]}], "hexpm", "61072136427a851674cab81762be4dbeae7679f85b1272b6d25c3a839aff8463"},
   "diskusage_logger": {:hex, :diskusage_logger, "0.2.0", "04fc48b538fe4de43153542a71ea94f623d54707d85844123baacfceedf625c3", [:mix], [], "hexpm", "e3f2aed1b0fc4590931c089a6453a4c4eb4c945912aa97bcabcc0cff7851f34d"},
@@ -74,8 +74,8 @@
   "phoenix_swagger": {:hex, :phoenix_swagger, "0.8.2", "cc49d9641d7e7c87766ba800110ff67d2fb55379f83982ee33d85d1e0b39d100", [:mix], [{:ex_json_schema, "~> 0.6", [hex: :ex_json_schema, repo: "hexpm", optional: true]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:plug, "~> 1.4", [hex: :plug, repo: "hexpm", optional: false]}, {:poison, "~> 2.2 or ~> 3.0", [hex: :poison, repo: "hexpm", optional: true]}], "hexpm", "e6d177764d75d388b199a863c5f7502ac8c202cd3fca61220807cbdcb31efef2"},
   "phoenix_template": {:hex, :phoenix_template, "1.0.4", "e2092c132f3b5e5b2d49c96695342eb36d0ed514c5b252a77048d5969330d639", [:mix], [{:phoenix_html, "~> 2.14.2 or ~> 3.0 or ~> 4.0", [hex: :phoenix_html, repo: "hexpm", optional: true]}], "hexpm", "2c0c81f0e5c6753faf5cca2f229c9709919aba34fab866d3bc05060c9c444206"},
   "phoenix_view": {:hex, :phoenix_view, "2.0.3", "4d32c4817fce933693741deeb99ef1392619f942633dde834a5163124813aad3", [:mix], [{:phoenix_html, "~> 2.14.2 or ~> 3.0 or ~> 4.0", [hex: :phoenix_html, repo: "hexpm", optional: true]}, {:phoenix_template, "~> 1.0", [hex: :phoenix_template, repo: "hexpm", optional: false]}], "hexpm", "cd34049af41be2c627df99cd4eaa71fc52a328c0c3d8e7d4aa28f880c30e7f64"},
-  "plug": {:hex, :plug, "1.15.3", "712976f504418f6dff0a3e554c40d705a9bcf89a7ccef92fc6a5ef8f16a30a97", [:mix], [{:mime, "~> 1.0 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:plug_crypto, "~> 1.1.1 or ~> 1.2 or ~> 2.0", [hex: :plug_crypto, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4.3 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "cc4365a3c010a56af402e0809208873d113e9c38c401cabd88027ef4f5c01fd2"},
-  "plug_crypto": {:hex, :plug_crypto, "2.0.0", "77515cc10af06645abbfb5e6ad7a3e9714f805ae118fa1a70205f80d2d70fe73", [:mix], [], "hexpm", "53695bae57cc4e54566d993eb01074e4d894b65a3766f1c43e2c61a1b0f45ea9"},
+  "plug": {:hex, :plug, "1.16.0", "1d07d50cb9bb05097fdf187b31cf087c7297aafc3fed8299aac79c128a707e47", [:mix], [{:mime, "~> 1.0 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:plug_crypto, "~> 1.1.1 or ~> 1.2 or ~> 2.0", [hex: :plug_crypto, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4.3 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "cbf53aa1f5c4d758a7559c0bd6d59e286c2be0c6a1fac8cc3eee2f638243b93e"},
+  "plug_crypto": {:hex, :plug_crypto, "2.1.0", "f44309c2b06d249c27c8d3f65cfe08158ade08418cf540fd4f72d4d6863abb7b", [:mix], [], "hexpm", "131216a4b030b8f8ce0f26038bc4421ae60e4bb95c5cf5395e1421437824c4fa"},
   "pngex": {:hex, :pngex, "0.1.2", "824c2da291fda236397729f236b29f87b98a434d58124ea9f7fa03d3b3cf8587", [:mix], [], "hexpm", "9f9f2d9aa286d03f6c317017a09e1b548fa0aa6b901291e24dbf65d8212b22b0"},
   "poison": {:hex, :poison, "3.1.0", "d9eb636610e096f86f25d9a46f35a9facac35609a7591b3be3326e99a0484665", [:mix], [], "hexpm", "fec8660eb7733ee4117b85f55799fd3833eb769a6df71ccf8903e8dc5447cfce"},
   "polyline": {:hex, :polyline, "1.3.0", "58b9c268b100486df504b8af9b0d341107f733227a8f8095ed457d14d721d614", [:mix], [{:vector, "~> 1.0", [hex: :vector, repo: "hexpm", optional: false]}], "hexpm", "ab37fc3ab073c32fcd3f7c5711c2c20328b750ee27a4f4fab73541afc7242f8b"},