diff --git a/functions/collect_runner_stats_test.ts b/functions/collect_runner_stats_test.ts
index 9e22ba3..458bcb5 100644
--- a/functions/collect_runner_stats_test.ts
+++ b/functions/collect_runner_stats_test.ts
@@ -1,6 +1,6 @@
 import * as mf from "mock-fetch/mod.ts";
 import { SlackFunctionTester } from "deno-slack-sdk/mod.ts";
-import { assertEquals } from "https://deno.land/std@0.153.0/testing/asserts.ts";
+import { assertEquals } from "std/testing/asserts.ts";
 import CollectRunnerStatsFunction from "./collect_runner_stats.ts";
 import { DatastoreItem } from "deno-slack-api/types.ts";
 import RunningDatastore from "../datastores/run_data.ts";
diff --git a/functions/collect_team_stats_test.ts b/functions/collect_team_stats_test.ts
index 3a6092d..d7f26a9 100644
--- a/functions/collect_team_stats_test.ts
+++ b/functions/collect_team_stats_test.ts
@@ -1,5 +1,5 @@
 import * as mf from "mock-fetch/mod.ts";
-import { assertEquals } from "https://deno.land/std@0.153.0/testing/asserts.ts";
+import { assertEquals } from "std/testing/asserts.ts";
 import { SlackFunctionTester } from "deno-slack-sdk/mod.ts";
 import { DatastoreItem } from "deno-slack-api/types.ts";
 import CollectTeamStatsFunction from "./collect_team_stats.ts";
diff --git a/functions/format_leaderboard_test.ts b/functions/format_leaderboard_test.ts
index 6955e1b..ecd8d07 100644
--- a/functions/format_leaderboard_test.ts
+++ b/functions/format_leaderboard_test.ts
@@ -1,8 +1,5 @@
 import { SlackFunctionTester } from "deno-slack-sdk/mod.ts";
-import {
-  assertEquals,
-  assertStringIncludes,
-} from "https://deno.land/std@0.153.0/testing/asserts.ts";
+import { assertEquals, assertStringIncludes } from "std/testing/asserts.ts";
 import FormatLeaderboardFunction from "./format_leaderboard.ts";
 
 const { createContext } = SlackFunctionTester("format_leaderboard");
diff --git a/functions/log_run_test.ts b/functions/log_run_test.ts
index 8e7049e..fb67302 100644
--- a/functions/log_run_test.ts
+++ b/functions/log_run_test.ts
@@ -1,6 +1,6 @@
 import * as mf from "mock-fetch/mod.ts";
 import { SlackFunctionTester } from "deno-slack-sdk/mod.ts";
-import { assertEquals } from "https://deno.land/std@0.153.0/testing/asserts.ts";
+import { assertEquals } from "std/testing/asserts.ts";
 import LogRunFunction from "./log_run.ts";
 
 // Replaces global fetch with the mocked copy
diff --git a/import_map.json b/import_map.json
index 4e38fdb..df0a5d4 100644
--- a/import_map.json
+++ b/import_map.json
@@ -2,6 +2,7 @@
   "imports": {
     "deno-slack-sdk/": "https://deno.land/x/deno_slack_sdk@2.2.0/",
     "deno-slack-api/": "https://deno.land/x/deno_slack_api@2.1.1/",
+    "std/": "https://deno.land/std@0.183.0/",
     "mock-fetch/": "https://deno.land/x/mock_fetch@0.3.0/"
   }
 }