diff --git a/package-lock.json b/package-lock.json
index 9ba0395..0af2d01 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,7 +12,7 @@
         "@stencila/logga": "^4.0.0",
         "acorn": "^8.4.0",
         "acorn-walk": "^8.1.0",
-        "ajv": "^8.6.0",
+        "ajv": "^8.11.2",
         "ajv-formats": "^2.1.0",
         "content-type": "^1.0.4",
         "got": "^11.8.2",
@@ -2443,9 +2443,9 @@
       }
     },
     "node_modules/ajv": {
-      "version": "8.6.0",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.6.0.tgz",
-      "integrity": "sha512-cnUG4NSBiM4YFBxgZIj/In3/6KX+rQ2l2YPRVcvAMQGWEPKuXoPIhxzwqh31jA3IPbI4qEOp/5ILI4ynioXsGQ==",
+      "version": "8.11.2",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.11.2.tgz",
+      "integrity": "sha512-E4bfmKAhGiSTvMfL1Myyycaub+cUEU2/IvpylXkUu7CHBkBj1f/ikdzbD7YQ6FKUbixDxeYvB/xY4fvyroDlQg==",
       "dependencies": {
         "fast-deep-equal": "^3.1.1",
         "json-schema-traverse": "^1.0.0",
@@ -13648,9 +13648,9 @@
       }
     },
     "ajv": {
-      "version": "8.6.0",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.6.0.tgz",
-      "integrity": "sha512-cnUG4NSBiM4YFBxgZIj/In3/6KX+rQ2l2YPRVcvAMQGWEPKuXoPIhxzwqh31jA3IPbI4qEOp/5ILI4ynioXsGQ==",
+      "version": "8.11.2",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.11.2.tgz",
+      "integrity": "sha512-E4bfmKAhGiSTvMfL1Myyycaub+cUEU2/IvpylXkUu7CHBkBj1f/ikdzbD7YQ6FKUbixDxeYvB/xY4fvyroDlQg==",
       "requires": {
         "fast-deep-equal": "^3.1.1",
         "json-schema-traverse": "^1.0.0",
diff --git a/package.json b/package.json
index d9724bc..12fc340 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "@stencila/logga": "^4.0.0",
     "acorn": "^8.4.0",
     "acorn-walk": "^8.1.0",
-    "ajv": "^8.6.0",
+    "ajv": "^8.11.2",
     "ajv-formats": "^2.1.0",
     "content-type": "^1.0.4",
     "got": "^11.8.2",