diff --git a/package-lock.json b/package-lock.json
index ece809a..254c723 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,7 +5,7 @@
   "packages": {
     "": {
       "dependencies": {
-        "shadow-cljs": "2.14.0"
+        "shadow-cljs": "2.28.9"
       }
     },
     "node_modules/asn1.js": {
@@ -41,11 +41,6 @@
         "inherits": "2.0.1"
       }
     },
-    "node_modules/async-limiter": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.1.tgz",
-      "integrity": "sha512-csOlWGAcRFJaI6m+F2WKdnMKr4HhdhFVBk0H/QbJFMCr+uO2kwohwXQPxw/9OCxp05r5ghVBFSyioixx3gfkNQ=="
-    },
     "node_modules/base64-js": {
       "version": "1.5.1",
       "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
@@ -670,16 +665,16 @@
       }
     },
     "node_modules/shadow-cljs": {
-      "version": "2.14.0",
-      "resolved": "https://registry.npmjs.org/shadow-cljs/-/shadow-cljs-2.14.0.tgz",
-      "integrity": "sha512-c4m8c0zoyxL4pDsxN4iymbxMXoiezXdmiu0Fi95SPV2BqCXdnUYYOGNHbx5Jicmp+1W5upHvVUsgKcxR4OeGCA==",
+      "version": "2.28.9",
+      "resolved": "https://registry.npmjs.org/shadow-cljs/-/shadow-cljs-2.28.9.tgz",
+      "integrity": "sha512-hh/vMhd3/2I0abOJJyROtL4P3hiQrQRDtDMG8y5rKajAJE+wJp+eWbKpTIMwvrRp61hQ4UC6GIau110BhF7UxA==",
       "dependencies": {
         "node-libs-browser": "^2.2.1",
         "readline-sync": "^1.4.7",
-        "shadow-cljs-jar": "1.3.2",
+        "shadow-cljs-jar": "1.3.4",
         "source-map-support": "^0.4.15",
         "which": "^1.3.1",
-        "ws": "^3.0.0"
+        "ws": "^7.4.6"
       },
       "bin": {
         "shadow-cljs": "cli/runner.js"
@@ -689,9 +684,9 @@
       }
     },
     "node_modules/shadow-cljs-jar": {
-      "version": "1.3.2",
-      "resolved": "https://registry.npmjs.org/shadow-cljs-jar/-/shadow-cljs-jar-1.3.2.tgz",
-      "integrity": "sha512-XmeffAZHv8z7451kzeq9oKh8fh278Ak+UIOGGrapyqrFBB773xN8vMQ3O7J7TYLnb9BUwcqadKkmgaq7q6fhZg=="
+      "version": "1.3.4",
+      "resolved": "https://registry.npmjs.org/shadow-cljs-jar/-/shadow-cljs-jar-1.3.4.tgz",
+      "integrity": "sha512-cZB2pzVXBnhpJ6PQdsjO+j/MksR28mv4QD/hP/2y1fsIa9Z9RutYgh3N34FZ8Ktl4puAXaIGlct+gMCJ5BmwmA=="
     },
     "node_modules/source-map": {
       "version": "0.5.7",
@@ -759,11 +754,6 @@
       "resolved": "https://registry.npmjs.org/tty-browserify/-/tty-browserify-0.0.0.tgz",
       "integrity": "sha1-oVe6QC2iTpv5V/mqadUk7tQpAaY="
     },
-    "node_modules/ultron": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/ultron/-/ultron-1.1.1.tgz",
-      "integrity": "sha512-UIEXBNeYmKptWH6z8ZnqTeS8fV74zG0/eRU9VGkpzz+LIJNs8W/zM/L+7ctCkRrgbNnnR0xxw4bKOr0cW0N0Og=="
-    },
     "node_modules/url": {
       "version": "0.11.0",
       "resolved": "https://registry.npmjs.org/url/-/url-0.11.0.tgz",
@@ -813,20 +803,25 @@
       }
     },
     "node_modules/ws": {
-      "version": "3.3.3",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-3.3.3.tgz",
-      "integrity": "sha512-nnWLa/NwZSt4KQJu51MYlCcSQ5g7INpOrOMt4XV8j4dqTXdmlUmSHQ8/oLC069ckre0fRsgfvsKwbTdtKLCDkA==",
-      "dependencies": {
-        "async-limiter": "~1.0.0",
-        "safe-buffer": "~5.1.0",
-        "ultron": "~1.1.0"
+      "version": "7.5.10",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.5.10.tgz",
+      "integrity": "sha512-+dbF1tHwZpXcbOJdVOkzLDxZP1ailvSxM6ZweXTegylPny803bFhA+vqBYw4s31NSAk4S2Qz+AKXK9a4wkdjcQ==",
+      "engines": {
+        "node": ">=8.3.0"
+      },
+      "peerDependencies": {
+        "bufferutil": "^4.0.1",
+        "utf-8-validate": "^5.0.2"
+      },
+      "peerDependenciesMeta": {
+        "bufferutil": {
+          "optional": true
+        },
+        "utf-8-validate": {
+          "optional": true
+        }
       }
     },
-    "node_modules/ws/node_modules/safe-buffer": {
-      "version": "5.1.2",
-      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
-    },
     "node_modules/xtend": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
@@ -874,11 +869,6 @@
         }
       }
     },
-    "async-limiter": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.1.tgz",
-      "integrity": "sha512-csOlWGAcRFJaI6m+F2WKdnMKr4HhdhFVBk0H/QbJFMCr+uO2kwohwXQPxw/9OCxp05r5ghVBFSyioixx3gfkNQ=="
-    },
     "base64-js": {
       "version": "1.5.1",
       "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
@@ -1475,22 +1465,22 @@
       }
     },
     "shadow-cljs": {
-      "version": "2.14.0",
-      "resolved": "https://registry.npmjs.org/shadow-cljs/-/shadow-cljs-2.14.0.tgz",
-      "integrity": "sha512-c4m8c0zoyxL4pDsxN4iymbxMXoiezXdmiu0Fi95SPV2BqCXdnUYYOGNHbx5Jicmp+1W5upHvVUsgKcxR4OeGCA==",
+      "version": "2.28.9",
+      "resolved": "https://registry.npmjs.org/shadow-cljs/-/shadow-cljs-2.28.9.tgz",
+      "integrity": "sha512-hh/vMhd3/2I0abOJJyROtL4P3hiQrQRDtDMG8y5rKajAJE+wJp+eWbKpTIMwvrRp61hQ4UC6GIau110BhF7UxA==",
       "requires": {
         "node-libs-browser": "^2.2.1",
         "readline-sync": "^1.4.7",
-        "shadow-cljs-jar": "1.3.2",
+        "shadow-cljs-jar": "1.3.4",
         "source-map-support": "^0.4.15",
         "which": "^1.3.1",
-        "ws": "^3.0.0"
+        "ws": "^7.4.6"
       }
     },
     "shadow-cljs-jar": {
-      "version": "1.3.2",
-      "resolved": "https://registry.npmjs.org/shadow-cljs-jar/-/shadow-cljs-jar-1.3.2.tgz",
-      "integrity": "sha512-XmeffAZHv8z7451kzeq9oKh8fh278Ak+UIOGGrapyqrFBB773xN8vMQ3O7J7TYLnb9BUwcqadKkmgaq7q6fhZg=="
+      "version": "1.3.4",
+      "resolved": "https://registry.npmjs.org/shadow-cljs-jar/-/shadow-cljs-jar-1.3.4.tgz",
+      "integrity": "sha512-cZB2pzVXBnhpJ6PQdsjO+j/MksR28mv4QD/hP/2y1fsIa9Z9RutYgh3N34FZ8Ktl4puAXaIGlct+gMCJ5BmwmA=="
     },
     "source-map": {
       "version": "0.5.7",
@@ -1552,11 +1542,6 @@
       "resolved": "https://registry.npmjs.org/tty-browserify/-/tty-browserify-0.0.0.tgz",
       "integrity": "sha1-oVe6QC2iTpv5V/mqadUk7tQpAaY="
     },
-    "ultron": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/ultron/-/ultron-1.1.1.tgz",
-      "integrity": "sha512-UIEXBNeYmKptWH6z8ZnqTeS8fV74zG0/eRU9VGkpzz+LIJNs8W/zM/L+7ctCkRrgbNnnR0xxw4bKOr0cW0N0Og=="
-    },
     "url": {
       "version": "0.11.0",
       "resolved": "https://registry.npmjs.org/url/-/url-0.11.0.tgz",
@@ -1607,21 +1592,10 @@
       }
     },
     "ws": {
-      "version": "3.3.3",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-3.3.3.tgz",
-      "integrity": "sha512-nnWLa/NwZSt4KQJu51MYlCcSQ5g7INpOrOMt4XV8j4dqTXdmlUmSHQ8/oLC069ckre0fRsgfvsKwbTdtKLCDkA==",
-      "requires": {
-        "async-limiter": "~1.0.0",
-        "safe-buffer": "~5.1.0",
-        "ultron": "~1.1.0"
-      },
-      "dependencies": {
-        "safe-buffer": {
-          "version": "5.1.2",
-          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
-        }
-      }
+      "version": "7.5.10",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.5.10.tgz",
+      "integrity": "sha512-+dbF1tHwZpXcbOJdVOkzLDxZP1ailvSxM6ZweXTegylPny803bFhA+vqBYw4s31NSAk4S2Qz+AKXK9a4wkdjcQ==",
+      "requires": {}
     },
     "xtend": {
       "version": "4.0.2",
diff --git a/package.json b/package.json
index 1b8e99f..82064df 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "private": true,
   "dependencies": {
-    "shadow-cljs": "2.14.0"
+    "shadow-cljs": "2.28.9"
   },
   "scripts": {
     "test": "shadow-cljs compile test && node target/test.js"