diff --git a/package.json b/package.json
index c5fb473..5922201 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "@typescript-eslint/eslint-plugin": "^7.0.1",
     "@typescript-eslint/parser": "^7.9.0",
     "@vercel/ncc": "^0.38.1",
-    "@vitest/coverage-istanbul": "^1.2.2",
+    "@vitest/coverage-istanbul": "^1.6.0",
     "eslint": "^8.56.0",
     "eslint-import-resolver-typescript": "^3.6.1",
     "eslint-plugin-eslint-comments": "^3.2.0",
diff --git a/yarn.lock b/yarn.lock
index 8b3f3cf..effc927 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -647,6 +647,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@jridgewell/trace-mapping@npm:^0.3.23":
+  version: 0.3.25
+  resolution: "@jridgewell/trace-mapping@npm:0.3.25"
+  dependencies:
+    "@jridgewell/resolve-uri": ^3.1.0
+    "@jridgewell/sourcemap-codec": ^1.4.14
+  checksum: 9d3c40d225e139987b50c48988f8717a54a8c994d8a948ee42e1412e08988761d0754d7d10b803061cc3aebf35f92a5dbbab493bd0e1a9ef9e89a2130e83ba34
+  languageName: node
+  linkType: hard
+
 "@lifeomic/attempt@npm:^3.0.3":
   version: 3.0.3
   resolution: "@lifeomic/attempt@npm:3.0.3"
@@ -1316,22 +1326,22 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@vitest/coverage-istanbul@npm:^1.2.2":
-  version: 1.2.2
-  resolution: "@vitest/coverage-istanbul@npm:1.2.2"
+"@vitest/coverage-istanbul@npm:^1.6.0":
+  version: 1.6.0
+  resolution: "@vitest/coverage-istanbul@npm:1.6.0"
   dependencies:
     debug: ^4.3.4
     istanbul-lib-coverage: ^3.2.2
     istanbul-lib-instrument: ^6.0.1
     istanbul-lib-report: ^3.0.1
-    istanbul-lib-source-maps: ^4.0.1
+    istanbul-lib-source-maps: ^5.0.4
     istanbul-reports: ^3.1.6
     magicast: ^0.3.3
     picocolors: ^1.0.0
     test-exclude: ^6.0.0
   peerDependencies:
-    vitest: ^1.0.0
-  checksum: 61813cb3a2794fd5c6aba3033aa74b5e4cc955841324868be734d1eb26ebf8e7601f21ada2ad1fe93789dc0f29e935b8b34ed5f99037ff79f36897ad1366c5e2
+    vitest: 1.6.0
+  checksum: 09535035f538637481dcc7946211a7551e9e3bc7c4d90819731b4bdf7a9101f6602465ca9cae5cf7206c21555dac68c220f50f03751b38d9c27035fa88a2152f
   languageName: node
   linkType: hard
 
@@ -3538,14 +3548,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"istanbul-lib-source-maps@npm:^4.0.1":
-  version: 4.0.1
-  resolution: "istanbul-lib-source-maps@npm:4.0.1"
+"istanbul-lib-source-maps@npm:^5.0.4":
+  version: 5.0.4
+  resolution: "istanbul-lib-source-maps@npm:5.0.4"
   dependencies:
+    "@jridgewell/trace-mapping": ^0.3.23
     debug: ^4.1.1
     istanbul-lib-coverage: ^3.0.0
-    source-map: ^0.6.1
-  checksum: 21ad3df45db4b81852b662b8d4161f6446cd250c1ddc70ef96a585e2e85c26ed7cd9c2a396a71533cfb981d1a645508bc9618cae431e55d01a0628e7dec62ef2
+  checksum: f34550c75b957312787eaa86a6c115b269f090905c0128f8acdb553a8d9b6562581be0e7c0b68247d97172fdfd6445517cbe46651f984453cce3c517b2e931ad
   languageName: node
   linkType: hard
 
@@ -4847,13 +4857,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"source-map@npm:^0.6.1":
-  version: 0.6.1
-  resolution: "source-map@npm:0.6.1"
-  checksum: 59ce8640cf3f3124f64ac289012c2b8bd377c238e316fb323ea22fbfe83da07d81e000071d7242cad7a23cd91c7de98e4df8830ec3f133cb6133a5f6e9f67bc2
-  languageName: node
-  linkType: hard
-
 "speckle-automate-github-action@workspace:.":
   version: 0.0.0-use.local
   resolution: "speckle-automate-github-action@workspace:."
@@ -4865,7 +4868,7 @@ __metadata:
     "@typescript-eslint/eslint-plugin": ^7.0.1
     "@typescript-eslint/parser": ^7.9.0
     "@vercel/ncc": ^0.38.1
-    "@vitest/coverage-istanbul": ^1.2.2
+    "@vitest/coverage-istanbul": ^1.6.0
     eslint: ^8.56.0
     eslint-import-resolver-typescript: ^3.6.1
     eslint-plugin-eslint-comments: ^3.2.0