diff --git a/package.json b/package.json
index 5a5d24de..0b6fcc18 100644
--- a/package.json
+++ b/package.json
@@ -86,7 +86,7 @@
     "byte-codec": "^1.1.9",
     "document-schema.js": "^2.7.17",
     "fflate": "^0.8.3",
-    "markdown-codec": "^1.4.2",
+    "markdown-codec": "^2.0.0",
     "odf.js": "^2.7.23",
     "ooxml.js": "^2.11.31",
     "pdf-codec": "^2.2.35",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 3e97ea11..dffd2684 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -22,8 +22,8 @@ importers:
         specifier: ^0.8.3
         version: 0.8.3
       markdown-codec:
-        specifier: ^1.4.2
-        version: 1.4.2
+        specifier: ^2.0.0
+        version: 2.0.0
       odf.js:
         specifier: ^2.7.23
         version: 2.7.23
@@ -1633,6 +1633,10 @@ packages:
     resolution: {integrity: sha512-XDu/+fo56WrXrcR3f16xH5lYEQX+3b4W6kJELRNFwrrWxOqhQBQepXMkCi+niSrgCEIcfaC1IeaGPlZ8oj5gSw==}
     engines: {node: '>=20'}
 
+  document-schema.js@3.1.0:
+    resolution: {integrity: sha512-Qj+0yx3lkorssXCAOIhLtrPKdJEMaB3E1QyloXWJt2H3NM8+ed7w6TyjWHeiaCnl57eGoAuUDWFGgwYDm/CGqA==}
+    engines: {node: '>=20'}
+
   dot-prop@5.3.0:
     resolution: {integrity: sha512-QM8q3zDe58hqUqjraQOmzZ1LIH9SWQJTlEKCH4kJ2oQvLZk7RbQXvtDM2XEq3fwkV9CCvvH4LA0AV+ogFsBM2Q==}
     engines: {node: '>=8'}
@@ -2246,8 +2250,8 @@ packages:
     resolution: {integrity: sha512-hXdUTZYIVOt1Ex//jAQi+wTZZpUpwBj/0QsOzqegb3rGMMeJiSEu5xLHnYfBrRV4RH2+OCSOO95Is/7x1WJ4bw==}
     engines: {node: '>=10'}
 
-  markdown-codec@1.4.2:
-    resolution: {integrity: sha512-SfY0hXE5GdgS+GuiUVOf3v4SeD9XxIfT6ZBcJfLVY3Qa9Q3TfBzvNAVstE30g9CrW8vykvcz1xEACEYOos11Pw==}
+  markdown-codec@2.0.0:
+    resolution: {integrity: sha512-vbNj6KPo4hJxA7EAzqIiTAx9x3hF1xmFHFEJm/VVptlzuy8KfYYp3wmq7ZkWPbQ47/pIvANXfiA3Zc5NUvVitQ==}
     engines: {node: '>=20'}
 
   marked-terminal@7.3.0:
@@ -4589,6 +4593,10 @@ snapshots:
     dependencies:
       zod: 4.4.3
 
+  document-schema.js@3.1.0:
+    dependencies:
+      zod: 4.4.3
+
   dot-prop@5.3.0:
     dependencies:
       is-obj: 2.0.0
@@ -5183,9 +5191,9 @@ snapshots:
     dependencies:
       semver: 7.8.5
 
-  markdown-codec@1.4.2:
+  markdown-codec@2.0.0:
     dependencies:
-      document-schema.js: 2.7.17
+      document-schema.js: 3.1.0
       zod: 4.4.3
 
   marked-terminal@7.3.0(marked@15.0.12):