diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 766a144d..b754ff1e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,4 +1,4 @@
-image: denoland/deno:2.1.10
+image: denoland/deno:2.2.0
 
 default:
   interruptible: true
diff --git a/.tool-versions b/.tool-versions
index a3cfae3c..f9adf79b 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1 +1 @@
-deno 2.1.10
\ No newline at end of file
+deno 2.2.0
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
index 78ae7fad..0b8724a0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM denoland/deno:2.1.10
+FROM denoland/deno:2.2.0
 ENV PORT 5000
 
 WORKDIR /app
diff --git a/packages/conf/DittoConf.ts b/packages/conf/DittoConf.ts
index 6d4b45d7..456e9cd2 100644
--- a/packages/conf/DittoConf.ts
+++ b/packages/conf/DittoConf.ts
@@ -1,4 +1,3 @@
-import Module from 'node:module';
 import os from 'node:os';
 import path from 'node:path';
 
@@ -354,7 +353,7 @@ export class DittoConf {
 
   /** Absolute path to the data directory used by Ditto. */
   get dataDir(): string {
-    return this.env.get('DITTO_DATA_DIR') || path.join(cwd(), 'data');
+    return this.env.get('DITTO_DATA_DIR') || path.join(Deno.cwd(), 'data');
   }
 
   /** Absolute path of the Deno directory. */
@@ -465,12 +464,3 @@ export class DittoConf {
     return Number(this.env.get('STREAK_WINDOW') || 129600);
   }
 }
-
-/**
- * HACK: get cwd without read permissions.
- * https://github.com/denoland/deno/issues/27080#issuecomment-2504150155
- */
-function cwd() {
-  // @ts-ignore Internal method, but it does exist.
-  return Module._nodeModulePaths('a')[0].slice(0, -15);
-}