diff --git a/package.json b/package.json
index 2323817..584fc10 100644
--- a/package.json
+++ b/package.json
@@ -23,6 +23,7 @@
     "language-configuration.json",
     "LICENSE",
     "syntaxes/hsml.tmLanguage.json",
+    "syntaxes/markdown-hsml.tmLanguage.json",
     "syntaxes/vue-hsml.tmLanguage.json"
   ],
   "type": "module",
@@ -91,9 +92,23 @@
         "embeddedLanguages": {
           "text.hsml": "hsml"
         }
+      },
+      {
+        "language": "hsml-markdown-injection",
+        "scopeName": "markdown.hsml.codeblock",
+        "path": "./syntaxes/markdown-hsml.tmLanguage.json",
+        "injectTo": [
+          "text.html.markdown"
+        ],
+        "embeddedLanguages": {
+          "meta.embedded.block.hsml": "hsml"
+        }
       }
     ],
     "languages": [
+      {
+        "id": "hsml-markdown-injection"
+      },
       {
         "id": "hsml",
         "aliases": [
diff --git a/syntaxes/markdown-hsml.tmLanguage.json b/syntaxes/markdown-hsml.tmLanguage.json
new file mode 100644
index 0000000..4a9e8f7
--- /dev/null
+++ b/syntaxes/markdown-hsml.tmLanguage.json
@@ -0,0 +1,45 @@
+{
+  "fileTypes": [],
+  "injectionSelector": "L:text.html.markdown",
+  "patterns": [
+    {
+      "include": "#hsml-code-block"
+    }
+  ],
+  "repository": {
+    "hsml-code-block": {
+      "begin": "(^|\\G)(\\s*)(\\`{3,}|~{3,})\\s*(?i:(hsml)(\\s+[^`~]*)?$)",
+      "name": "markup.fenced_code.block.markdown",
+      "end": "(^|\\G)(\\2|\\s{0,3})(\\3)\\s*$",
+      "beginCaptures": {
+        "3": {
+          "name": "punctuation.definition.markdown"
+        },
+        "4": {
+          "name": "fenced_code.block.language.markdown"
+        },
+        "5": {
+          "name": "fenced_code.block.language.attributes.markdown"
+        }
+      },
+      "endCaptures": {
+        "3": {
+          "name": "punctuation.definition.markdown"
+        }
+      },
+      "patterns": [
+        {
+          "begin": "(^|\\G)(\\s*)(.*)",
+          "while": "(^|\\G)(?!\\s*([`~]{3,})\\s*$)",
+          "contentName": "meta.embedded.block.hsml",
+          "patterns": [
+            {
+              "include": "text.hsml"
+            }
+          ]
+        }
+      ]
+    }
+  },
+  "scopeName": "markdown.hsml.codeblock"
+}