diff --git a/package-lock.json b/package-lock.json
index 4861c05..3f72f65 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,7 +15,7 @@
         "commander": "14.0.2",
         "gray-matter": "^4.0.3",
         "jsdom": "^27.0.0",
-        "pyodide": "^0.28.0",
+        "pyodide": "^0.29.0",
         "reffy": "^20.0.1",
         "semver": "^7.3.5",
         "webidl2": "^24.2.2"
@@ -545,6 +545,11 @@
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       "integrity": "sha512-C5Mc6rdnsaJDjO3UpGW/CQTHtCKaYlScZTly4JIu97Jxo/odCiH0ITnDXSJPTOrEKk/ycSZ0AOgTmkDtkOsvIA=="
     },
+    "node_modules/@types/emscripten": {
+      "version": "1.41.5",
+      "resolved": "https://registry.npmjs.org/@types/emscripten/-/emscripten-1.41.5.tgz",
+      "integrity": "sha512-cMQm7pxu6BxtHyqJ7mQZ2kXWV5SLmugybFdHCBbJ5eHzOo6VhBckEgAT3//rP5FwPHNPeEiq4SmQ5ucBwsOo4Q=="
+    },
     "node_modules/@types/node": {
       "version": "24.8.1",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-24.8.1.tgz",
@@ -1824,10 +1829,11 @@
       }
     },
     "node_modules/pyodide": {
-      "version": "0.28.3",
-      "resolved": "https://registry.npmjs.org/pyodide/-/pyodide-0.28.3.tgz",
-      "integrity": "sha512-rtCsyTU55oNGpLzSVuAd55ZvruJDEX8o6keSdWKN9jPeBVSNlynaKFG7eRqkiIgU7i2M6HEgYtm0atCEQX3u4A==",
+      "version": "0.29.0",
+      "resolved": "https://registry.npmjs.org/pyodide/-/pyodide-0.29.0.tgz",
+      "integrity": "sha512-ObIvsTmcrxAWKg+FT1GjfSdDmQc5CabnYe/nn5BCuhr9BVVITeQ24DBdZuG5B2tIiAZ9YonBpnDB7cmHZyd2Rw==",
       "dependencies": {
+        "@types/emscripten": "^1.41.4",
         "ws": "^8.5.0"
       },
       "engines": {
@@ -2769,6 +2775,11 @@
       "resolved": "https://registry.npmjs.org/@tootallnate/quickjs-emscripten/-/quickjs-emscripten-0.23.0.tgz",
       "integrity": "sha512-C5Mc6rdnsaJDjO3UpGW/CQTHtCKaYlScZTly4JIu97Jxo/odCiH0ITnDXSJPTOrEKk/ycSZ0AOgTmkDtkOsvIA=="
     },
+    "@types/emscripten": {
+      "version": "1.41.5",
+      "resolved": "https://registry.npmjs.org/@types/emscripten/-/emscripten-1.41.5.tgz",
+      "integrity": "sha512-cMQm7pxu6BxtHyqJ7mQZ2kXWV5SLmugybFdHCBbJ5eHzOo6VhBckEgAT3//rP5FwPHNPeEiq4SmQ5ucBwsOo4Q=="
+    },
     "@types/node": {
       "version": "24.8.1",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-24.8.1.tgz",
@@ -3669,10 +3680,11 @@
       }
     },
     "pyodide": {
-      "version": "0.28.3",
-      "resolved": "https://registry.npmjs.org/pyodide/-/pyodide-0.28.3.tgz",
-      "integrity": "sha512-rtCsyTU55oNGpLzSVuAd55ZvruJDEX8o6keSdWKN9jPeBVSNlynaKFG7eRqkiIgU7i2M6HEgYtm0atCEQX3u4A==",
+      "version": "0.29.0",
+      "resolved": "https://registry.npmjs.org/pyodide/-/pyodide-0.29.0.tgz",
+      "integrity": "sha512-ObIvsTmcrxAWKg+FT1GjfSdDmQc5CabnYe/nn5BCuhr9BVVITeQ24DBdZuG5B2tIiAZ9YonBpnDB7cmHZyd2Rw==",
       "requires": {
+        "@types/emscripten": "^1.41.4",
         "ws": "^8.5.0"
       }
     },
diff --git a/package.json b/package.json
index 84c3e0d..ee692a7 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "commander": "14.0.2",
     "gray-matter": "^4.0.3",
     "jsdom": "^27.0.0",
-    "pyodide": "^0.28.0",
+    "pyodide": "^0.29.0",
     "reffy": "^20.0.1",
     "semver": "^7.3.5",
     "webidl2": "^24.2.2"