diff --git a/example/test_harness/package-lock.json b/example/test_harness/package-lock.json
index bc61d3638..63a89d4da 100644
--- a/example/test_harness/package-lock.json
+++ b/example/test_harness/package-lock.json
@@ -4,20 +4,70 @@
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+      "resolved": "https://registry.npmjs.org/@ably/msgpack-js/-/msgpack-js-0.4.0.tgz",
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+      "requires": {
+        "bops": "^1.0.1"
+      }
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+      "version": "4.6.0",
+      "resolved": "https://registry.npmjs.org/@sindresorhus/is/-/is-4.6.0.tgz",
+      "integrity": "sha512-t09vSN3MdfsyCHoFcTRCH/iUtG7OJ0CsjzB8cjAmKc/va/kIgeDI/TxsigdncE/4be734m0cvIYwNaV4i2XqAw=="
+    },
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+      "version": "4.0.6",
+      "resolved": "https://registry.npmjs.org/@szmarczak/http-timer/-/http-timer-4.0.6.tgz",
+      "integrity": "sha512-4BAffykYOgO+5nzBWYwE3W90sBgLJoUPRWWcL8wlyiM8IB8ipJz3UMJ9KXQd1RKQXpKp8Tutn80HZtWsu2u76w==",
+      "requires": {
+        "defer-to-connect": "^2.0.0"
+      }
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+      "resolved": "https://registry.npmjs.org/@types/cacheable-request/-/cacheable-request-6.0.3.tgz",
+      "integrity": "sha512-IQ3EbTzGxIigb1I3qPZc1rWJnH0BmSKv5QYTalEwweFvyBDLSAe24zP0le/hyi7ecGfZVlIVAg4BZqb8WBwKqw==",
       "requires": {
-        "bops": "~0.0.6"
+        "@types/http-cache-semantics": "*",
+        "@types/keyv": "^3.1.4",
+        "@types/node": "*",
+        "@types/responselike": "^1.0.0"
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+    "@types/http-cache-semantics": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/@types/http-cache-semantics/-/http-cache-semantics-4.0.1.tgz",
+      "integrity": "sha512-SZs7ekbP8CN0txVG2xVRH6EgKmEm31BOxA07vkFaETzZz1xh+cbt8BcI0slpymvwhx5dlFnQG2rTlPVQn+iRPQ=="
+    },
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+      "version": "3.1.4",
+      "resolved": "https://registry.npmjs.org/@types/keyv/-/keyv-3.1.4.tgz",
+      "integrity": "sha512-BQ5aZNSCpj7D6K2ksrRCTmKRLEpnPvWDiLPfoGyhZ++8YtiK9d/3DBKPJgry359X/P1PfruyYwvnvwFjuEiEIg==",
+      "requires": {
+        "@types/node": "*"
+      }
+    },
+    "@types/node": {
+      "version": "20.4.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.4.1.tgz",
+      "integrity": "sha512-JIzsAvJeA/5iY6Y/OxZbv1lUcc8dNSE77lb2gnBH+/PJ3lFR1Ccvgwl5JWnHAkNHcRsT0TbpVOsiMKZ1F/yyJg=="
+    },
+    "@types/responselike": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@types/responselike/-/responselike-1.0.0.tgz",
+      "integrity": "sha512-85Y2BjiufFzaMIlvJDvTTB8Fxl2xfLo4HgmHzVBz08w4wDePCTjYw66PdrolO0kzli3yam/YCgRufyo1DdQVTA==",
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+      "resolved": "https://registry.npmjs.org/ably/-/ably-1.2.41.tgz",
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       "requires": {
-        "@ably/msgpack-js": "^0.3.3",
-        "request": "^2.87.0",
+        "@ably/msgpack-js": "^0.4.0",
+        "got": "^11.8.5",
         "ws": "^5.1"
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@@ -30,67 +80,20 @@
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-      "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
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-      "integrity": "sha512-3YDiu347mtVtjpyV3u5kVqQLP242c06zwDOgpeRnybmXlYYsLbtTrUBUm8i8srONt+FWobl5aibnU1030PeeuA=="
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-      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-0.0.2.tgz",
-      "integrity": "sha1-Ak8Pcq+iW3X5wO5zzU9V7Bvtl4Q="
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-    "bcrypt-pbkdf": {
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-      "integrity": "sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=",
-      "requires": {
-        "tweetnacl": "^0.14.3"
-      }
+      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.0.2.tgz",
+      "integrity": "sha512-ZXBDPMt/v/8fsIqn+Z5VwrhdR6jVka0bYobHdGia0Nxi7BJ9i/Uvml3AocHIBtIIBhZjBw5MR0aR4ROs/8+SNg=="
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@@ -117,11 +120,11 @@
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-      "integrity": "sha1-tKClqDmkBkVK8P4FqLkaenZqVOI=",
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/bops/-/bops-1.0.1.tgz",
+      "integrity": "sha512-qCMBuZKP36tELrrgXpAfM+gHzqa0nLsWZ+L37ncsb8txYlnAoxOPpVp+g7fK0sGkMXfA0wl8uQkESqw3v4HNag==",
       "requires": {
-        "base64-js": "0.0.2",
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@@ -130,17 +133,31 @@
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-      "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz",
-      "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw="
+    "cacheable-lookup": {
+      "version": "5.0.4",
+      "resolved": "https://registry.npmjs.org/cacheable-lookup/-/cacheable-lookup-5.0.4.tgz",
+      "integrity": "sha512-2/kNscPhpcxrOigMZzbiWF7dz8ilhb/nIHU3EyZiXWXpeq/au8qJ8VhdftMkty3n7Gj6HIGalQG8oiBNB3AJgA=="
+    },
+    "cacheable-request": {
+      "version": "7.0.4",
+      "resolved": "https://registry.npmjs.org/cacheable-request/-/cacheable-request-7.0.4.tgz",
+      "integrity": "sha512-v+p6ongsrp0yTGbJXjgxPow2+DL93DASP4kXCDKb8/bwRtt9OEF3whggkkDkGNzgcWy2XaF4a8nZglC7uElscg==",
+      "requires": {
+        "clone-response": "^1.0.2",
+        "get-stream": "^5.1.0",
+        "http-cache-semantics": "^4.0.0",
+        "keyv": "^4.0.0",
+        "lowercase-keys": "^2.0.0",
+        "normalize-url": "^6.0.1",
+        "responselike": "^2.0.0"
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-      "version": "1.0.8",
-      "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
-      "integrity": "sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==",
+    "clone-response": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/clone-response/-/clone-response-1.0.3.tgz",
+      "integrity": "sha512-ROoL94jJH2dUVML2Y/5PEDNaSHgeOdSDicUyS7izcF63G6sTc/FTjLub4b8Il9S8S0beOfYt0TaA5qvFK+w0wA==",
       "requires": {
-        "delayed-stream": "~1.0.0"
+        "mimic-response": "^1.0.0"
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     "content-disposition": {
@@ -173,19 +190,6 @@
       "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
       "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw="
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-      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
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-      "resolved": "https://registry.npmjs.org/dashdash/-/dashdash-1.14.1.tgz",
-      "integrity": "sha1-hTz6D3y+L+1d4gMmuN1YEDX24vA=",
-      "requires": {
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@@ -194,10 +198,25 @@
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-      "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk="
+    "decompress-response": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/decompress-response/-/decompress-response-6.0.0.tgz",
+      "integrity": "sha512-aW35yZM6Bb/4oJlZncMH2LCoZtJXTRxES17vE3hoRiowU2kWHaJKFkSBDnDR+cm9J+9QhXmREyIfv0pji9ejCQ==",
+      "requires": {
+        "mimic-response": "^3.1.0"
+      },
+      "dependencies": {
+        "mimic-response": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/mimic-response/-/mimic-response-3.1.0.tgz",
+          "integrity": "sha512-z0yWI+4FDrrweS8Zmt4Ej5HdJmky15+L2e6Wgn3+iK5fWzb6T3fhNFq2+MeTRb064c6Wr4N/wv0DzQTjNzHNGQ=="
+        }
+      }
+    },
+    "defer-to-connect": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/defer-to-connect/-/defer-to-connect-2.0.1.tgz",
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@@ -209,15 +228,6 @@
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@@ -228,6 +238,14 @@
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       "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k="
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+    "end-of-stream": {
+      "version": "1.4.4",
+      "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.4.tgz",
+      "integrity": "sha512-+uw1inIHVPQoaVuHzRyXd21icM+cnt4CzD5rW+NC1wjOUSTOs+Te7FOv7AhN7vS9x/oIyhLP5PR1H+phQAHu5Q==",
+      "requires": {
+        "once": "^1.4.0"
+      }
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@@ -287,26 +305,6 @@
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-      "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU="
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@@ -321,21 +319,6 @@
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@@ -346,28 +329,37 @@
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-      "integrity": "sha1-Xv+OPmhNVprkyysSgmBOi6YhSfo=",
+    "get-stream": {
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       "requires": {
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-        "har-schema": "^2.0.0"
+        "@sindresorhus/is": "^4.0.0",
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+        "lowercase-keys": "^2.0.0",
+        "p-cancelable": "^2.0.0",
+        "responselike": "^2.0.0"
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@@ -482,6 +450,11 @@
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@@ -505,6 +478,19 @@
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@@ -515,11 +501,6 @@
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+      "resolved": "https://registry.npmjs.org/pump/-/pump-3.0.0.tgz",
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@@ -560,37 +540,18 @@
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+    "resolve-alpn": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/resolve-alpn/-/resolve-alpn-1.2.1.tgz",
+      "integrity": "sha512-0a1F4l73/ZFZOakJnQ3FvkJ2+gSTQWz/r2KE5OdDY0TxPm5h4GkqkWWfM47T7HsbnOtcJVEF4epCVy6u7Q3K+g=="
+    },
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+      "resolved": "https://registry.npmjs.org/responselike/-/responselike-2.0.1.tgz",
+      "integrity": "sha512-4gl03wn3hj1HP3yzgdI7d3lCkF95F21Pz4BPGvKHinyQzALR5CapwC8yIi0Rh58DEMQ/SguC03wFj2k0M/mHhw==",
+      "requires": {
+        "lowercase-keys": "^2.0.0"
+      }
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@@ -640,22 +601,6 @@
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@@ -664,35 +609,13 @@
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-      "integrity": "sha1-0Xrqcv8vujm55DYBvns/9y4ImFI="
+      "integrity": "sha512-zks18/TWT1iHO3v0vFp5qLKOG27m67ycq/Y7a7cTiRuUNlc4gf3HGnkRgMv0NyhnfTamtkYBJl+YeD1/j07gBQ=="
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@@ -707,38 +630,20 @@
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-        "core-util-is": "1.0.2",
-        "extsprintf": "^1.2.0"
-      }
+    "wrappy": {
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+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ=="
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diff --git a/example/test_harness/package.json b/example/test_harness/package.json
index 4fcaf7b13..99658a0cb 100644
--- a/example/test_harness/package.json
+++ b/example/test_harness/package.json
@@ -4,7 +4,7 @@
     "publish": "node publish.js"
   },
   "dependencies": {
-    "ably": "^1.2.1",
+    "ably": "^1.2.41",
     "express": "^4.17.1"
   }
 }