diff --git a/package-lock.json b/package-lock.json
index df6099b4..70052e48 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "1.5.19",
       "license": "GPL-3.0-only",
       "dependencies": {
-        "codemirror": "5.62.0",
+        "codemirror": "5.62.2",
         "db-to-cloud": "^0.6.0",
         "jsonlint": "^1.6.3",
         "less-bundle": "github:openstyles/less-bundle#v0.1.0",
@@ -2361,9 +2361,9 @@
       }
     },
     "node_modules/codemirror": {
-      "version": "5.62.0",
-      "resolved": "https://registry.npmjs.org/codemirror/-/codemirror-5.62.0.tgz",
-      "integrity": "sha512-Xnl3304iCc8nyVZuRkzDVVwc794uc9QNX0UcPGeNic1fbzkSrO4l4GVXho9tRNKBgPYZXgocUqXyfIv3BILhCQ=="
+      "version": "5.62.2",
+      "resolved": "https://registry.npmjs.org/codemirror/-/codemirror-5.62.2.tgz",
+      "integrity": "sha512-tVFMUa4J3Q8JUd1KL9yQzQB0/BJt7ZYZujZmTPgo/54Lpuq3ez4C8x/ATUY/wv7b7X3AUq8o3Xd+2C5ZrCGWHw=="
     },
     "node_modules/collection-visit": {
       "version": "1.0.0",
@@ -13933,9 +13933,9 @@
       }
     },
     "codemirror": {
-      "version": "5.62.0",
-      "resolved": "https://registry.npmjs.org/codemirror/-/codemirror-5.62.0.tgz",
-      "integrity": "sha512-Xnl3304iCc8nyVZuRkzDVVwc794uc9QNX0UcPGeNic1fbzkSrO4l4GVXho9tRNKBgPYZXgocUqXyfIv3BILhCQ=="
+      "version": "5.62.2",
+      "resolved": "https://registry.npmjs.org/codemirror/-/codemirror-5.62.2.tgz",
+      "integrity": "sha512-tVFMUa4J3Q8JUd1KL9yQzQB0/BJt7ZYZujZmTPgo/54Lpuq3ez4C8x/ATUY/wv7b7X3AUq8o3Xd+2C5ZrCGWHw=="
     },
     "collection-visit": {
       "version": "1.0.0",
diff --git a/package.json b/package.json
index 5ff7fc1e..da883b2d 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
   "repository": "openstyles/stylus",
   "author": "Stylus Team",
   "dependencies": {
-    "codemirror": "5.62.0",
+    "codemirror": "5.62.2",
     "db-to-cloud": "^0.6.0",
     "jsonlint": "^1.6.3",
     "less-bundle": "github:openstyles/less-bundle#v0.1.0",
diff --git a/vendor/codemirror/README.md b/vendor/codemirror/README.md
index 29a346b5..0732d2e2 100644
--- a/vendor/codemirror/README.md
+++ b/vendor/codemirror/README.md
@@ -1,4 +1,4 @@
-## codemirror v5.62.0
+## codemirror v5.62.2
 
 Following files are copied from npm (node_modules):
 
diff --git a/vendor/codemirror/addon/fold/foldcode.js b/vendor/codemirror/addon/fold/foldcode.js
index 887df3fe..721bc087 100644
--- a/vendor/codemirror/addon/fold/foldcode.js
+++ b/vendor/codemirror/addon/fold/foldcode.js
@@ -24,9 +24,11 @@
     function getRange(allowFolded) {
       var range = finder(cm, pos);
       if (!range || range.to.line - range.from.line < minSize) return null;
+      if (force === "fold") return range;
+
       var marks = cm.findMarksAt(range.from);
       for (var i = 0; i < marks.length; ++i) {
-        if (marks[i].__isFold && force !== "fold") {
+        if (marks[i].__isFold) {
           if (!allowFolded) return null;
           range.cleared = true;
           marks[i].clear();
@@ -99,18 +101,18 @@
     cm.foldCode(cm.getCursor(), null, "fold");
   };
   CodeMirror.commands.unfold = function(cm) {
-    cm.foldCode(cm.getCursor(), null, "unfold");
+    cm.foldCode(cm.getCursor(), { scanUp: false }, "unfold");
   };
   CodeMirror.commands.foldAll = function(cm) {
     cm.operation(function() {
       for (var i = cm.firstLine(), e = cm.lastLine(); i <= e; i++)
-        cm.foldCode(CodeMirror.Pos(i, 0), null, "fold");
+        cm.foldCode(CodeMirror.Pos(i, 0), { scanUp: false }, "fold");
     });
   };
   CodeMirror.commands.unfoldAll = function(cm) {
     cm.operation(function() {
       for (var i = cm.firstLine(), e = cm.lastLine(); i <= e; i++)
-        cm.foldCode(CodeMirror.Pos(i, 0), null, "unfold");
+        cm.foldCode(CodeMirror.Pos(i, 0), { scanUp: false }, "unfold");
     });
   };
 
diff --git a/vendor/codemirror/addon/hint/show-hint.js b/vendor/codemirror/addon/hint/show-hint.js
index 8f236562..2be2c716 100644
--- a/vendor/codemirror/addon/hint/show-hint.js
+++ b/vendor/codemirror/addon/hint/show-hint.js
@@ -224,6 +224,7 @@
   }
 
   function Widget(completion, data) {
+    this.id = "cm-complete-" + Math.floor(Math.random(1e6))
     this.completion = completion;
     this.data = data;
     this.picked = false;
@@ -232,6 +233,9 @@
     var parentWindow = ownerDocument.defaultView || ownerDocument.parentWindow;
 
     var hints = this.hints = ownerDocument.createElement("ul");
+    hints.setAttribute("role", "listbox")
+    hints.setAttribute("aria-expanded", "true")
+    hints.id = this.id
     var theme = completion.cm.options.theme;
     hints.className = "CodeMirror-hints " + theme;
     this.selectedHint = data.selectedHint || 0;
@@ -242,6 +246,9 @@
       var className = HINT_ELEMENT_CLASS + (i != this.selectedHint ? "" : " " + ACTIVE_HINT_ELEMENT_CLASS);
       if (cur.className != null) className = cur.className + " " + className;
       elt.className = className;
+      if (i == this.selectedHint) elt.setAttribute("aria-selected", "true")
+      elt.id = this.id + "-" + i
+      elt.setAttribute("role", "option")
       if (cur.render) cur.render(elt, data, cur);
       else elt.appendChild(ownerDocument.createTextNode(cur.displayText || getText(cur)));
       elt.hintId = i;
@@ -267,6 +274,9 @@
     var winW = parentWindow.innerWidth || Math.max(ownerDocument.body.offsetWidth, ownerDocument.documentElement.offsetWidth);
     var winH = parentWindow.innerHeight || Math.max(ownerDocument.body.offsetHeight, ownerDocument.documentElement.offsetHeight);
     container.appendChild(hints);
+    cm.getInputField().setAttribute("aria-autocomplete", "list")
+    cm.getInputField().setAttribute("aria-owns", this.id)
+    cm.getInputField().setAttribute("aria-activedescendant", this.id + "-" + this.selectedHint)
 
     var box = completion.options.moveOnOverlap ? hints.getBoundingClientRect() : new DOMRect();
     var scrolls = completion.options.paddingForScrollbar ? hints.scrollHeight > hints.clientHeight + 1 : false;
@@ -364,6 +374,9 @@
       this.completion.widget = null;
       if (this.hints.parentNode) this.hints.parentNode.removeChild(this.hints);
       this.completion.cm.removeKeyMap(this.keyMap);
+      var input = this.completion.cm.getInputField()
+      input.removeAttribute("aria-activedescendant")
+      input.removeAttribute("aria-owns")
 
       var cm = this.completion.cm;
       if (this.completion.options.closeOnUnfocus) {
@@ -391,9 +404,14 @@
         i = avoidWrap ? 0  : this.data.list.length - 1;
       if (this.selectedHint == i) return;
       var node = this.hints.childNodes[this.selectedHint];
-      if (node) node.className = node.className.replace(" " + ACTIVE_HINT_ELEMENT_CLASS, "");
+      if (node) {
+        node.className = node.className.replace(" " + ACTIVE_HINT_ELEMENT_CLASS, "");
+        node.removeAttribute("aria-selected")
+      }
       node = this.hints.childNodes[this.selectedHint = i];
       node.className += " " + ACTIVE_HINT_ELEMENT_CLASS;
+      node.setAttribute("aria-selected", "true")
+      this.completion.cm.getInputField().setAttribute("aria-activedescendant", node.id)
       this.scrollToActive()
       CodeMirror.signal(this.data, "select", this.data.list[this.selectedHint], node);
     },
diff --git a/vendor/codemirror/addon/lint/lint.js b/vendor/codemirror/addon/lint/lint.js
index 54d84318..1613deb9 100644
--- a/vendor/codemirror/addon/lint/lint.js
+++ b/vendor/codemirror/addon/lint/lint.js
@@ -59,25 +59,42 @@
     CodeMirror.on(node, "mouseout", hide);
   }
 
-  function LintState(cm, options, hasGutter) {
+  function LintState(cm, conf, hasGutter) {
     this.marked = [];
-    this.options = options;
+    if (conf instanceof Function) conf = {getAnnotations: conf};
+    if (!conf || conf === true) conf = {};
+    this.options = {};
+    this.linterOptions = conf.options || {};
+    for (var prop in defaults) this.options[prop] = defaults[prop];
+    for (var prop in conf) {
+      if (defaults.hasOwnProperty(prop)) {
+        if (conf[prop] != null) this.options[prop] = conf[prop];
+      } else if (!conf.options) {
+        this.linterOptions[prop] = conf[prop];
+      }
+    }
     this.timeout = null;
     this.hasGutter = hasGutter;
     this.onMouseOver = function(e) { onMouseOver(cm, e); };
     this.waitingFor = 0
   }
 
-  function parseOptions(_cm, options) {
-    if (options instanceof Function) return {getAnnotations: options};
-    if (!options || options === true) options = {};
-    return options;
+  var defaults = {
+    highlightLines: false,
+    tooltips: true,
+    delay: 500,
+    lintOnChange: true,
+    getAnnotations: null,
+    async: false,
+    selfContain: null,
+    formatAnnotation: null,
+    onUpdateLinting: null
   }
 
   function clearMarks(cm) {
     var state = cm.state.lint;
     if (state.hasGutter) cm.clearGutter(GUTTER_ID);
-    if (isHighlightErrorLinesEnabled(state)) clearErrorLines(cm);
+    if (state.options.highlightLines) clearErrorLines(cm);
     for (var i = 0; i < state.marked.length; ++i)
       state.marked[i].clear();
     state.marked.length = 0;
@@ -90,10 +107,6 @@
     })
   }
 
-  function isHighlightErrorLinesEnabled(state) {
-    return state.options.highlightLines;
-  }
-
   function makeMarker(cm, labels, severity, multiple, tooltips) {
     var marker = document.createElement("div"), inner = marker;
     marker.className = "CodeMirror-lint-marker CodeMirror-lint-marker-" + severity;
@@ -136,7 +149,7 @@
     return tip;
   }
 
-  function lintAsync(cm, getAnnotations, passOptions) {
+  function lintAsync(cm, getAnnotations) {
     var state = cm.state.lint
     var id = ++state.waitingFor
     function abort() {
@@ -149,7 +162,7 @@
       if (state.waitingFor != id) return
       if (arg2 && annotations instanceof CodeMirror) annotations = arg2
       cm.operation(function() {updateLinting(cm, annotations)})
-    }, passOptions, cm);
+    }, state.linterOptions, cm);
   }
 
   function startLinting(cm) {
@@ -160,13 +173,12 @@
      * Passing rules in `options` property prevents JSHint (and other linters) from complaining
      * about unrecognized rules like `onUpdateLinting`, `delay`, `lintOnChange`, etc.
      */
-    var passOptions = options.options || options;
     var getAnnotations = options.getAnnotations || cm.getHelper(CodeMirror.Pos(0, 0), "lint");
     if (!getAnnotations) return;
     if (options.async || getAnnotations.async) {
-      lintAsync(cm, getAnnotations, passOptions)
+      lintAsync(cm, getAnnotations)
     } else {
-      var annotations = getAnnotations(cm.getValue(), passOptions, cm);
+      var annotations = getAnnotations(cm.getValue(), state.linterOptions, cm);
       if (!annotations) return;
       if (annotations.then) annotations.then(function(issues) {
         cm.operation(function() {updateLinting(cm, issues)})
@@ -211,9 +223,9 @@
       // use original annotations[line] to show multiple messages
       if (state.hasGutter)
         cm.setGutterMarker(line, GUTTER_ID, makeMarker(cm, tipLabel, maxSeverity, annotations[line].length > 1,
-                                                       state.options.tooltips));
+                                                       options.tooltips));
 
-      if (isHighlightErrorLinesEnabled(state))
+      if (options.highlightLines)
         cm.addLineClass(line, "wrap", LINT_LINE_ID + maxSeverity);
     }
     if (options.onUpdateLinting) options.onUpdateLinting(annotationsNotSorted, annotations, cm);
@@ -223,7 +235,7 @@
     var state = cm.state.lint;
     if (!state) return;
     clearTimeout(state.timeout);
-    state.timeout = setTimeout(function(){startLinting(cm);}, state.options.delay || 500);
+    state.timeout = setTimeout(function(){startLinting(cm);}, state.options.delay);
   }
 
   function popupTooltips(cm, annotations, e) {
@@ -263,8 +275,8 @@
     if (val) {
       var gutters = cm.getOption("gutters"), hasLintGutter = false;
       for (var i = 0; i < gutters.length; ++i) if (gutters[i] == GUTTER_ID) hasLintGutter = true;
-      var state = cm.state.lint = new LintState(cm, parseOptions(cm, val), hasLintGutter);
-      if (state.options.lintOnChange !== false)
+      var state = cm.state.lint = new LintState(cm, val, hasLintGutter);
+      if (state.options.lintOnChange)
         cm.on("change", onChange);
       if (state.options.tooltips != false && state.options.tooltips != "gutter")
         CodeMirror.on(cm.getWrapperElement(), "mouseover", state.onMouseOver);
diff --git a/vendor/codemirror/keymap/vim.js b/vendor/codemirror/keymap/vim.js
index 6630b6f6..c5210c9c 100644
--- a/vendor/codemirror/keymap/vim.js
+++ b/vendor/codemirror/keymap/vim.js
@@ -420,6 +420,9 @@
     var numbers = makeKeyRange(48, 10);
     var validMarks = [].concat(upperCaseAlphabet, lowerCaseAlphabet, numbers, ['<', '>']);
     var validRegisters = [].concat(upperCaseAlphabet, lowerCaseAlphabet, numbers, ['-', '"', '.', ':', '_', '/']);
+    var upperCaseChars;
+    try { upperCaseChars = new RegExp("^[\\p{Lu}]$", "u"); }
+    catch (_) { upperCaseChars = /^[A-Z]$/; }
 
     function isLine(cm, line) {
       return line >= cm.firstLine() && line <= cm.lastLine();
@@ -434,7 +437,7 @@
       return numberRegex.test(k);
     }
     function isUpperCase(k) {
-      return (/^[A-Z]$/).test(k);
+      return upperCaseChars.test(k);
     }
     function isWhiteSpaceString(k) {
       return (/^\s*$/).test(k);
@@ -658,7 +661,7 @@
           this.latestRegister = registerName;
           if (cm.openDialog) {
             this.onRecordingDone = cm.openDialog(
-                '(recording)['+registerName+']', null, {bottom:true});
+                document.createTextNode('(recording)['+registerName+']'), null, {bottom:true});
           }
           this.isRecording = true;
         }
diff --git a/vendor/codemirror/lib/codemirror.js b/vendor/codemirror/lib/codemirror.js
index 7fdc7108..a6c31c1f 100644
--- a/vendor/codemirror/lib/codemirror.js
+++ b/vendor/codemirror/lib/codemirror.js
@@ -9807,7 +9807,7 @@
 
   addLegacyProps(CodeMirror);
 
-  CodeMirror.version = "5.62.0";
+  CodeMirror.version = "5.62.2";
 
   return CodeMirror;