diff --git a/package-lock.json b/package-lock.json
index 2c8f0e97..904764c3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,7 +11,7 @@
       "dependencies": {
         "@adobe/helix-markdown-support": "7.1.12",
         "@adobe/helix-shared-utils": "3.0.2",
-        "@adobe/mdast-util-gridtables": "4.0.12",
+        "@adobe/mdast-util-gridtables": "4.0.13",
         "@adobe/remark-gridtables": "3.0.13",
         "cookie": "1.0.2",
         "github-slugger": "2.0.0",
@@ -124,18 +124,29 @@
       }
     },
     "node_modules/@adobe/mdast-util-gridtables": {
-      "version": "4.0.12",
-      "resolved": "https://registry.npmjs.org/@adobe/mdast-util-gridtables/-/mdast-util-gridtables-4.0.12.tgz",
-      "integrity": "sha512-GAyEiWlVsjIiZM/0vi6thKBKBa1J0ZLy7hBqEIAhk2xPBPiTwzA8/lkJmPqKFPFwq7fOr+tiNoQvv9id246A4A==",
+      "version": "4.0.13",
+      "resolved": "https://registry.npmjs.org/@adobe/mdast-util-gridtables/-/mdast-util-gridtables-4.0.13.tgz",
+      "integrity": "sha512-FzneHnFA+YevJTNC2GWoq3cNzpLquwT2j1FsmzBwYEDLHeYnUaxuIzB3IbKH+sTe2Bm6Vincn/ZQDiO22QNZew==",
       "license": "Apache-2.0",
       "dependencies": {
-        "@adobe/micromark-extension-gridtables": "^2.0.0",
+        "@adobe/micromark-extension-gridtables": "^2.0.4",
         "mdast-util-from-markdown": "2.0.2",
         "mdast-util-to-hast": "13.2.0",
         "mdast-util-to-markdown": "2.1.2",
         "unist-util-visit": "5.0.0"
       }
     },
+    "node_modules/@adobe/mdast-util-gridtables/node_modules/@adobe/micromark-extension-gridtables": {
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/@adobe/micromark-extension-gridtables/-/micromark-extension-gridtables-2.0.4.tgz",
+      "integrity": "sha512-mzyRI2d0StuUv75VFnffYsHXRUo8J9RlK1EvjfmgHahwda1gNwe1Fqh4AYEZSWChf1HD/QBRcL6hEnxj9hedMg==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "micromark": "^4.0.0",
+        "micromark-util-character": "^2.0.0",
+        "micromark-util-symbol": "^2.0.0"
+      }
+    },
     "node_modules/@adobe/micromark-extension-gridtables": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/@adobe/micromark-extension-gridtables/-/micromark-extension-gridtables-2.0.3.tgz",
@@ -157,6 +168,19 @@
         "@adobe/micromark-extension-gridtables": "2.0.3"
       }
     },
+    "node_modules/@adobe/remark-gridtables/node_modules/@adobe/mdast-util-gridtables": {
+      "version": "4.0.12",
+      "resolved": "https://registry.npmjs.org/@adobe/mdast-util-gridtables/-/mdast-util-gridtables-4.0.12.tgz",
+      "integrity": "sha512-GAyEiWlVsjIiZM/0vi6thKBKBa1J0ZLy7hBqEIAhk2xPBPiTwzA8/lkJmPqKFPFwq7fOr+tiNoQvv9id246A4A==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@adobe/micromark-extension-gridtables": "^2.0.0",
+        "mdast-util-from-markdown": "2.0.2",
+        "mdast-util-to-hast": "13.2.0",
+        "mdast-util-to-markdown": "2.1.2",
+        "unist-util-visit": "5.0.0"
+      }
+    },
     "node_modules/@asamuzakjp/css-color": {
       "version": "2.8.3",
       "resolved": "https://registry.npmjs.org/@asamuzakjp/css-color/-/css-color-2.8.3.tgz",
diff --git a/package.json b/package.json
index 4c52ff83..eaccaa45 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
   "dependencies": {
     "@adobe/helix-markdown-support": "7.1.12",
     "@adobe/helix-shared-utils": "3.0.2",
-    "@adobe/mdast-util-gridtables": "4.0.12",
+    "@adobe/mdast-util-gridtables": "4.0.13",
     "@adobe/remark-gridtables": "3.0.13",
     "cookie": "1.0.2",
     "github-slugger": "2.0.0",