diff --git a/.github/workflows/lint-prs.yaml b/.github/workflows/lint-prs.yaml
index 4b2554b..7c416e9 100644
--- a/.github/workflows/lint-prs.yaml
+++ b/.github/workflows/lint-prs.yaml
@@ -27,7 +27,7 @@ jobs:
       - uses: denoland/setup-deno@v2
         if: steps.changed_files.outputs.all_changed_files != ''
         with:
-          deno-version: v2.x
+          deno-version: v2.9.1
           cache: true
 
       - name: Check formatting
@@ -55,7 +55,7 @@ jobs:
       - uses: denoland/setup-deno@v2
         if: steps.changed_files.outputs.all_changed_files != ''
         with:
-          deno-version: v2.x
+          deno-version: v2.9.1
           cache: true
 
       - name: Generate lex bindings
@@ -87,7 +87,7 @@ jobs:
       - uses: denoland/setup-deno@v2
         if: steps.changed_files.outputs.all_changed_files != ''
         with:
-          deno-version: v2.x
+          deno-version: v2.9.1
           cache: true
 
       - name: Generate lex bindings
diff --git a/AGENTS.md b/AGENTS.md
index 2089e7a..56817e3 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -4,6 +4,7 @@
 
 - **Format**: `deno fmt`
 - **Lint**: `deno lint`
+- **Typecheck**: `deno check`
 - **Test all**: `deno test -P`
 - **Test single**: `deno test -P tests/main_test.ts`
 - **Dev**: `deno task dev` (requires MongoDB)
diff --git a/Dockerfile b/Dockerfile
index 3b7b673..207c5c6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM denoland/deno:alpine-2.5.4
+FROM denoland/deno:alpine-2.9.1
 ARG COMMIT_SHA
 ENV COMMIT_SHA=$COMMIT_SHA
 
diff --git a/deno.json b/deno.json
index 2a932ab..77b01bb 100644
--- a/deno.json
+++ b/deno.json
@@ -30,7 +30,7 @@
     "hono": "jsr:@hono/hono@^4.12.15",
     "@std/encoding": "jsr:@std/encoding@^1.0.10",
     "jose": "npm:jose@^6.2.3",
-    "mongoose": "npm:mongoose@9.5.0",
+    "mongoose": "npm:mongoose@9.7.3",
     "p-queue": "npm:p-queue@^9.2.0",
     "mongodb-memory-server-core": "npm:mongodb-memory-server-core@^11.1.0",
     "structured-headers": "npm:structured-headers@^2.0.2"
diff --git a/deno.lock b/deno.lock
index 421c57e..a01eaf2 100644
--- a/deno.lock
+++ b/deno.lock
@@ -50,7 +50,7 @@
     "npm:jose@^6.2.3": "6.2.3",
     "npm:lodash@*": "4.17.21",
     "npm:mongodb-memory-server-core@^11.1.0": "11.1.0",
-    "npm:mongoose@9.5.0": "9.5.0",
+    "npm:mongoose@9.7.3": "9.7.3",
     "npm:multiformats@^13.4.1": "13.4.2",
     "npm:p-queue@^8.1.1": "8.1.1",
     "npm:p-queue@^9.2.0": "9.2.0",
@@ -479,6 +479,9 @@
     "@opentelemetry/api@1.9.1": {
       "integrity": "sha512-gLyJlPHPZYdAk1JENA9LeHejZe1Ti77/pTeFm/nMXmQH/HFZlcS/O2XJB+L8fkbrNSqhdtlvjBVjxwUYanNH5Q=="
     },
+    "@standard-schema/spec@1.1.0": {
+      "integrity": "sha512-l2aFy5jALhniG5HgqrD6jXLi/rUWrKvqN/qJx6yoJsgKhblVd+iqqU4RCXavm/jPityDo5TCvKMnpjKnOriy0w=="
+    },
     "@types/webidl-conversions@7.0.3": {
       "integrity": "sha512-CiJJvcRtIgzadHCYXw7dqEnMNRjhGZlYK05Mj9OyktqV8uVT8fD2BFOB7S1uwBE3Kj2Z+4UyPmFw/Ixgw/LAlA=="
     },
@@ -927,7 +930,7 @@
         "find-cache-dir",
         "follow-redirects",
         "https-proxy-agent",
-        "mongodb@7.2.0",
+        "mongodb",
         "new-find-package-json",
         "semver@7.7.4",
         "tar-stream",
@@ -935,14 +938,6 @@
         "yauzl"
       ]
     },
-    "mongodb@7.1.1": {
-      "integrity": "sha512-067DXiMjcpYQl6bGjWQoTUEE9UoRViTtKFcoqX7z08I+iDZv/emH1g8XEFiO3qiDfXAheT5ozl1VffDTKhIW/w==",
-      "dependencies": [
-        "@mongodb-js/saslprep",
-        "bson",
-        "mongodb-connection-string-url"
-      ]
-    },
     "mongodb@7.2.0": {
       "integrity": "sha512-F/2+BMZtLVhY30ioZp0dAmZ+IRZMBqI+nrv6t5+9/1AIwCa8sMRC3jBf81lpxMhnZgqq8CoUD503Z1oZWq1/sw==",
       "dependencies": [
@@ -951,11 +946,12 @@
         "mongodb-connection-string-url"
       ]
     },
-    "mongoose@9.5.0": {
-      "integrity": "sha512-B4blGFkFL1s0G24URuMvx0qTlx+gRVLmfO7WcSz8NcmW/XHEJ3G69capdyW1iRsGKiycp1tkwKHnxHbnwjwmPw==",
+    "mongoose@9.7.3": {
+      "integrity": "sha512-9DsD4sq0tL9IKyfttZ6qn74KXBcD4lxDTzGXoAeOLMnDFFp1gqc5oc4s2BiMPbetJrLwvVylfyR4cqLst2pasQ==",
       "dependencies": [
+        "@standard-schema/spec",
         "kareem",
-        "mongodb@7.1.1",
+        "mongodb",
         "mpath",
         "mquery",
         "ms@2.1.3",
@@ -1384,7 +1380,7 @@
       "npm:dotenv@^17.4.2",
       "npm:jose@^6.2.3",
       "npm:mongodb-memory-server-core@^11.1.0",
-      "npm:mongoose@9.5.0",
+      "npm:mongoose@9.7.3",
       "npm:p-queue@^9.2.0",
       "npm:structured-headers@^2.0.2"
     ]