diff --git a/extensions/ql-vscode/package-lock.json b/extensions/ql-vscode/package-lock.json
index 13a3c490f..cfc9f2203 100644
--- a/extensions/ql-vscode/package-lock.json
+++ b/extensions/ql-vscode/package-lock.json
@@ -99,7 +99,7 @@
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-        "@sinonjs/fake-timers": "^6.0.0",
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@@ -11003,18 +10993,21 @@
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-        "nise": "^4.0.1",
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+        "@sinonjs/fake-timers": "^9.0.0",
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+        "diff": "^5.0.0",
+        "nise": "^5.1.1",
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+    "node_modules/sinon/node_modules/diff": {
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+      "resolved": "https://registry.npmjs.org/diff/-/diff-5.0.0.tgz",
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@@ -11033,9 +11035,9 @@
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@@ -14208,37 +14210,27 @@
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+      "resolved": "https://registry.npmjs.org/@sinonjs/commons/-/commons-1.8.3.tgz",
+      "integrity": "sha512-xkNcLAn/wZaX14RPlwizcKicDk9G3F8m2nU3L7Ukm5zBgTwiT0wsoFAHx9Jq56fJA1z/7uKGtCRu16sOUCLIHQ==",
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+      "resolved": "https://registry.npmjs.org/@sinonjs/fake-timers/-/fake-timers-9.1.1.tgz",
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-    "@sinonjs/formatio": {
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-      "resolved": "https://registry.npmjs.org/@sinonjs/formatio/-/formatio-5.0.1.tgz",
-      "integrity": "sha512-KaiQ5pBf1MpS09MuA0kp6KBQt2JUOQycqVG1NZXvzeaXe5LGFqAKueIS0bw4w0P9r7KuBSVdUk5QjXsUdu2CxQ==",
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-      "requires": {
-        "@sinonjs/commons": "^1",
-        "@sinonjs/samsam": "^5.0.2"
-      }
-    },
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-      "resolved": "https://registry.npmjs.org/@sinonjs/samsam/-/samsam-5.0.3.tgz",
-      "integrity": "sha512-QucHkc2uMJ0pFGjJUDP3F9dq5dx8QIaqISl9QgwLOh6P9yv877uONPGXh/OH/0zmM3tW1JjuJltAZV2l7zU+uQ==",
+      "version": "6.1.1",
+      "resolved": "https://registry.npmjs.org/@sinonjs/samsam/-/samsam-6.1.1.tgz",
+      "integrity": "sha512-cZ7rKJTLiE7u7Wi/v9Hc2fs3Ucc3jrWeMgPHbbTCeVAB2S0wOBbYlkJVeNSL04i7fdhT8wIbDq1zhC/PXTD2SA==",
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@@ -19992,9 +19984,9 @@
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-      "integrity": "sha512-ApcjaOdVTJ7y4r08xI5wIqpvwS48Q0PBG4DJROcEkH1f8MdAiNFyFxz3xoL0LWAVwjrwPYZdVHHxhRHcx/uGLA==",
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+      "resolved": "https://registry.npmjs.org/just-extend/-/just-extend-4.2.1.tgz",
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@@ -21155,13 +21147,13 @@
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       "dev": true,
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-        "@sinonjs/commons": "^1.7.0",
-        "@sinonjs/fake-timers": "^6.0.0",
+        "@sinonjs/commons": "^1.8.3",
+        "@sinonjs/fake-timers": ">=5",
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         "just-extend": "^4.0.2",
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@@ -22665,20 +22657,25 @@
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-      "resolved": "https://registry.npmjs.org/sinon/-/sinon-9.0.2.tgz",
-      "integrity": "sha512-0uF8Q/QHkizNUmbK3LRFqx5cpTttEVXudywY9Uwzy8bTfZUhljZ7ARzSxnRHWYWtVTeh4Cw+tTb3iU21FQVO9A==",
+      "version": "13.0.1",
+      "resolved": "https://registry.npmjs.org/sinon/-/sinon-13.0.1.tgz",
+      "integrity": "sha512-8yx2wIvkBjIq/MGY1D9h1LMraYW+z1X0mb648KZnKSdvLasvDu7maa0dFaNYdTDczFgbjNw2tOmWdTk9saVfwQ==",
       "dev": true,
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-        "@sinonjs/fake-timers": "^6.0.1",
-        "@sinonjs/formatio": "^5.0.1",
-        "@sinonjs/samsam": "^5.0.3",
-        "diff": "^4.0.2",
-        "nise": "^4.0.1",
-        "supports-color": "^7.1.0"
+        "@sinonjs/commons": "^1.8.3",
+        "@sinonjs/fake-timers": "^9.0.0",
+        "@sinonjs/samsam": "^6.1.1",
+        "diff": "^5.0.0",
+        "nise": "^5.1.1",
+        "supports-color": "^7.2.0"
       },
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+          "version": "5.0.0",
+          "resolved": "https://registry.npmjs.org/diff/-/diff-5.0.0.tgz",
+          "integrity": "sha512-/VTCrvm5Z0JGty/BWHljh+BAiw3IK+2j87NGMu8Nwc/f48WoDAC395uomO9ZD117ZOBaHmkX1oyLvkVM/aIT3w==",
+          "dev": true
+        },
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           "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz",
@@ -22686,9 +22683,9 @@
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-          "integrity": "sha512-oRSIpR8pxT1Wr2FquTNnGet79b3BWljqOuoW/h4oBhxJ/HUbX5nX6JSruTkvXDCFMwDPvsaTTbvMLKZWSy0R5g==",
+          "version": "7.2.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
+          "integrity": "sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==",
           "dev": true,
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diff --git a/extensions/ql-vscode/package.json b/extensions/ql-vscode/package.json
index d9dd07941..017664d10 100644
--- a/extensions/ql-vscode/package.json
+++ b/extensions/ql-vscode/package.json
@@ -1200,7 +1200,7 @@
     "npm-run-all": "^4.1.5",
     "prettier": "~2.0.5",
     "proxyquire": "~2.1.3",
-    "sinon": "~9.0.0",
+    "sinon": "~13.0.1",
     "sinon-chai": "~3.5.0",
     "style-loader": "~0.23.1",
     "through2": "^4.0.2",