diff --git a/packages/ojs/external-observablehq-parser/package.json b/packages/ojs/external-observablehq-parser/package.json
index f421bec6..41f66b68 100644
--- a/packages/ojs/external-observablehq-parser/package.json
+++ b/packages/ojs/external-observablehq-parser/package.json
@@ -37,7 +37,7 @@
     "external-observablehq-parser": "./src/index.js"
   },
   "dependencies": {
-    "acorn": "8.16.0",
+    "acorn": "8.17.0",
     "acorn-walk": "8.3.5"
   },
   "devDependencies": {
diff --git a/packages/ojs/external-observablehq-parser/yarn.lock b/packages/ojs/external-observablehq-parser/yarn.lock
index 269489ea..0b275a84 100644
--- a/packages/ojs/external-observablehq-parser/yarn.lock
+++ b/packages/ojs/external-observablehq-parser/yarn.lock
@@ -74,7 +74,12 @@ acorn-walk@8.3.5:
   dependencies:
     acorn "^8.11.0"
 
-acorn@8.16.0:
+acorn@8.17.0:
+  version "8.17.0"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.17.0.tgz#1785adb84faf8d8add10369b93826fc2bd08f1fe"
+  integrity sha512-xRQbDb9BnwDafYNn6Vwl839DYVjqXYb1XVGtWAZ1kcDc6iwAL4hg3B1dZlRiuENFeO2H53gFG3in621AdERVAg==
+
+acorn@^8.11.0:
   version "8.16.0"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.16.0.tgz#4ce79c89be40afe7afe8f3adb902a1f1ce9ac08a"
   integrity sha512-UVJyE9MttOsBQIDKw1skb9nAwQuR5wuGD3+82K6JgJlm/Y+KI92oNsMNGZCYdDsVtRHSak0pcV5Dno5+4jh9sw==
@@ -84,11 +89,6 @@ acorn@^8.6.0:
   resolved "https://registry.npmjs.org/acorn/-/acorn-8.6.0.tgz"
   integrity sha512-U1riIR+lBSNi3IbxtaHOIKdH8sLFv3NYfNv8sg7ZsNhcfl4HF2++BfqqrNAxoCLQW1iiylOj76ecnaUxz+z9yw==
 
-acorn@^8.11.0:
-  version "8.16.0"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.16.0.tgz#4ce79c89be40afe7afe8f3adb902a1f1ce9ac08a"
-  integrity sha512-UVJyE9MttOsBQIDKw1skb9nAwQuR5wuGD3+82K6JgJlm/Y+KI92oNsMNGZCYdDsVtRHSak0pcV5Dno5+4jh9sw==
-
 ajv@^6.10.0, ajv@^6.12.4:
   version "6.12.6"
   resolved "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz"