diff --git a/package-lock.json b/package-lock.json
index c430f6ea..d0bdd503 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2656,6 +2656,7 @@
 			"version": "2.0.1",
 			"resolved": "https://registry.npmjs.org/argparse/-/argparse-2.0.1.tgz",
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+			"dev": true,
 			"license": "Python-2.0"
 		},
 		"node_modules/async": {
@@ -3260,29 +3261,57 @@
 			"license": "MIT"
 		},
 		"node_modules/cosmiconfig": {
-			"version": "9.0.1",
-			"resolved": "https://registry.npmjs.org/cosmiconfig/-/cosmiconfig-9.0.1.tgz",
-			"integrity": "sha512-hr4ihw+DBqcvrsEDioRO31Z17x71pUYoNe/4h6Z0wB72p7MU7/9gH8Q3s12NFhHPfYBBOV3qyfUxmr/Yn3shnQ==",
+			"version": "10.0.1",
+			"resolved": "https://registry.npmjs.org/cosmiconfig/-/cosmiconfig-10.0.1.tgz",
+			"integrity": "sha512-/zvGoYn0y27QTBmK+0B+oPdEPC4fKGUmJsMTQbDjqph00TrkqfVFW/M+C6ya54sYCgHC6QCwK/mI6djt8cEGHQ==",
 			"license": "MIT",
 			"dependencies": {
 				"env-paths": "^2.2.1",
-				"import-fresh": "^3.3.0",
-				"js-yaml": "^4.1.0",
-				"parse-json": "^5.2.0"
+				"js-yaml": "^5.4.1"
 			},
 			"engines": {
-				"node": ">=14"
+				"node": "^22.18 || >= 24"
 			},
 			"funding": {
 				"url": "https://github.com/sponsors/d-fischer"
-			},
-			"peerDependencies": {
-				"typescript": ">=4.9.5"
-			},
-			"peerDependenciesMeta": {
-				"typescript": {
-					"optional": true
+			}
+		},
+		"node_modules/cosmiconfig/node_modules/argparse": {
+			"version": "3.0.4",
+			"resolved": "https://registry.npmjs.org/argparse/-/argparse-3.0.4.tgz",
+			"integrity": "sha512-fwWK3Zq22l4XJJjx5mcBHGikIk+hJqO+32dPm0Jur7+rtG5x1scOjSfdT9ZKeWHPpsya/l0HHK4tDImBkTrtvA==",
+			"funding": [
+				{
+					"type": "github",
+					"url": "https://github.com/sponsors/puzrin"
+				},
+				{
+					"type": "github",
+					"url": "https://github.com/sponsors/nodeca"
+				}
+			],
+			"license": "PSF-2.0"
+		},
+		"node_modules/cosmiconfig/node_modules/js-yaml": {
+			"version": "5.5.0",
+			"resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-5.5.0.tgz",
+			"integrity": "sha512-paNr4LFIFPjeeSmwNYdrb8FafLLG/Cr2Af3GjbsHJ5CxIjH4r0c2emlmRdAtpPAieP1gRVzk6buBbVP5gBMGAg==",
+			"funding": [
+				{
+					"type": "github",
+					"url": "https://github.com/sponsors/puzrin"
+				},
+				{
+					"type": "github",
+					"url": "https://github.com/sponsors/nodeca"
 				}
+			],
+			"license": "MIT",
+			"dependencies": {
+				"argparse": "^3.0.3"
+			},
+			"bin": {
+				"js-yaml": "bin/js-yaml.mjs"
 			}
 		},
 		"node_modules/cross-spawn": {
@@ -4358,6 +4387,7 @@
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 			"resolved": "https://registry.npmjs.org/import-fresh/-/import-fresh-3.3.1.tgz",
 			"integrity": "sha512-TR3KfrTZTYLPB6jUjfx6MF9WcWrHL9su5TObK4ZkYgBdWKPOFoSoQIdEuTuR82pmtxH2spWG9h6etwfr1pLBqQ==",
+			"dev": true,
 			"license": "MIT",
 			"dependencies": {
 				"parent-module": "^1.0.0",
@@ -5206,6 +5236,7 @@
 			"version": "4.3.2",
 			"resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.3.2.tgz",
 			"integrity": "sha512-SFNOvSJ+Dgf/9An904Yx+CgSlIPCkIpao4qo51lpee25TIRejdH3rhR4EZMGoNx3/TP3O+wzWuiTFl4sqbltzA==",
+			"dev": true,
 			"funding": [
 				{
 					"type": "github",
@@ -6439,6 +6470,7 @@
 			"version": "1.0.1",
 			"resolved": "https://registry.npmjs.org/parent-module/-/parent-module-1.0.1.tgz",
 			"integrity": "sha512-GQ2EWRpQV8/o+Aw8YqtfZZPfNRWZYkbidE9k5rpl/hC3vtHHBfGm2Ifi6qWV+coDGkrUKZAxE3Lot5kcsRlh+g==",
+			"dev": true,
 			"license": "MIT",
 			"dependencies": {
 				"callsites": "^3.0.0"
@@ -6811,6 +6843,7 @@
 			"version": "4.0.0",
 			"resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-4.0.0.tgz",
 			"integrity": "sha512-pb/MYmXstAkysRFx8piNI1tGFNQIFA3vkE3Gq4EuA1dF6gHp/+vgZqsCGJapvy8N3Q+4o7FwvquPJcnZ7RYy4g==",
+			"dev": true,
 			"license": "MIT",
 			"engines": {
 				"node": ">=4"
@@ -7563,7 +7596,7 @@
 			"version": "5.9.3",
 			"resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
 			"integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
-			"devOptional": true,
+			"dev": true,
 			"license": "Apache-2.0",
 			"bin": {
 				"tsc": "bin/tsc",
@@ -8188,7 +8221,7 @@
 			"license": "Apache-2.0",
 			"dependencies": {
 				"@jazzer.js/core": "4.0.0",
-				"cosmiconfig": "^9.0.0",
+				"cosmiconfig": "^10.0.1",
 				"istanbul-reports": "^3.1.7"
 			},
 			"devDependencies": {
diff --git a/packages/jest-runner/package.json b/packages/jest-runner/package.json
index eb7c19cd..50e0f35b 100644
--- a/packages/jest-runner/package.json
+++ b/packages/jest-runner/package.json
@@ -17,7 +17,7 @@
 	"types": "dist/index.d.ts",
 	"dependencies": {
 		"@jazzer.js/core": "4.0.0",
-		"cosmiconfig": "^9.0.0",
+		"cosmiconfig": "^10.0.1",
 		"istanbul-reports": "^3.1.7"
 	},
 	"peerDependencies": {