diff --git a/src/rules.ts b/src/rules.ts
index aeb880c597..7e3088e0c1 100644
--- a/src/rules.ts
+++ b/src/rules.ts
@@ -441,7 +441,14 @@ const tag = edit(
   .replace('attribute', /\s+[a-zA-Z:_][\w.:-]*(?:\s*=\s*"[^"]*"|\s*=\s*'[^']*'|\s*=\s*[^\s"'=<>`]+)?/)
   .getRegex();
 
-const _inlineLabel = /(?:\[(?:\\[\s\S]|[^\[\]\\])*\]|\\[\s\S]|`+(?!`)[^`]*?`+(?!`)|``+(?=\])|[^\[\]\\`])*?/;
+// One matched pair of brackets, holding no bracket of its own.
+const _inlineLabelBrackets = /\[(?:\\[\s\S]|[^\[\]\\])*\]/;
+// CommonMark lets the brackets in a link label nest to any depth, which a regex
+// cannot follow, so it stops at a fixed one. Two levels is what the spec suite
+// asks for: a third and a fourth flip no further example.
+const _inlineLabel = edit(/(?:\[(?:brackets|\\[\s\S]|[^\[\]\\])*\]|\\[\s\S]|`+(?!`)[^`]*?`+(?!`)|``+(?=\])|[^\[\]\\`])*?/)
+  .replace('brackets', _inlineLabelBrackets)
+  .getRegex();
 
 const link = edit(/^!?\[(label)\]\(\s*(href)(?:(?:[ \t]+(?:\n[ \t]*)?|\n[ \t]*)(title))?\s*\)/)
   .replace('label', _inlineLabel)
diff --git a/test/specs/commonmark/commonmark.0.31.2.json b/test/specs/commonmark/commonmark.0.31.2.json
index 4e348a4a1c..ef561efa85 100644
--- a/test/specs/commonmark/commonmark.0.31.2.json
+++ b/test/specs/commonmark/commonmark.0.31.2.json
@@ -4096,8 +4096,7 @@
     "example": 512,
     "start_line": 7840,
     "end_line": 7844,
-    "section": "Links",
-    "shouldFail": true
+    "section": "Links"
   },
   {
     "markdown": "[link] bar](/uri)\n",
@@ -4161,8 +4160,7 @@
     "example": 520,
     "start_line": 7900,
     "end_line": 7904,
-    "section": "Links",
-    "shouldFail": true
+    "section": "Links"
   },
   {
     "markdown": "*[foo*](/uri)\n",
@@ -4228,8 +4226,7 @@
     "example": 528,
     "start_line": 8004,
     "end_line": 8010,
-    "section": "Links",
-    "shouldFail": true
+    "section": "Links"
   },
   {
     "markdown": "[link \\[bar][ref]\n\n[ref]: /uri\n",
diff --git a/test/specs/gfm/commonmark.0.31.2.json b/test/specs/gfm/commonmark.0.31.2.json
index 47d0a2256a..6e763b84cf 100644
--- a/test/specs/gfm/commonmark.0.31.2.json
+++ b/test/specs/gfm/commonmark.0.31.2.json
@@ -4096,8 +4096,7 @@
     "example": 512,
     "start_line": 7840,
     "end_line": 7844,
-    "section": "Links",
-    "shouldFail": true
+    "section": "Links"
   },
   {
     "markdown": "[link] bar](/uri)\n",
@@ -4161,8 +4160,7 @@
     "example": 520,
     "start_line": 7900,
     "end_line": 7904,
-    "section": "Links",
-    "shouldFail": true
+    "section": "Links"
   },
   {
     "markdown": "*[foo*](/uri)\n",
@@ -4228,8 +4226,7 @@
     "example": 528,
     "start_line": 8004,
     "end_line": 8010,
-    "section": "Links",
-    "shouldFail": true
+    "section": "Links"
   },
   {
     "markdown": "[link \\[bar][ref]\n\n[ref]: /uri\n",