diff --git a/sites/svelte.dev/package-lock.json b/sites/svelte.dev/package-lock.json
index 0de1ada8dc..f7b068ef9a 100644
--- a/sites/svelte.dev/package-lock.json
+++ b/sites/svelte.dev/package-lock.json
@@ -14,7 +14,8 @@
 				"devalue": "^4.3.0",
 				"do-not-zip": "^1.0.0",
 				"flexsearch": "^0.7.31",
-				"flru": "^1.0.2"
+				"flru": "^1.0.2",
+				"sourcemap-codec": "^1.4.8"
 			},
 			"devDependencies": {
 				"@resvg/resvg-js": "^2.4.1",
@@ -4262,6 +4263,12 @@
 				"node": ">=0.10.0"
 			}
 		},
+		"node_modules/sourcemap-codec": {
+			"version": "1.4.8",
+			"resolved": "https://registry.npmjs.org/sourcemap-codec/-/sourcemap-codec-1.4.8.tgz",
+			"integrity": "sha512-9NykojV5Uih4lgo5So5dtw+f0JgJX30KCNI8gwhz2J9A15wD0Ml6tjHKwf6fTSa6fAdVBdZeNOs9eJ71qCk8vA==",
+			"deprecated": "Please use @jridgewell/sourcemap-codec instead"
+		},
 		"node_modules/streamsearch": {
 			"version": "1.1.0",
 			"resolved": "https://registry.npmjs.org/streamsearch/-/streamsearch-1.1.0.tgz",
@@ -7894,6 +7901,11 @@
 			"integrity": "sha512-R0XvVJ9WusLiqTCEiGCmICCMplcCkIwwR11mOSD9CR5u+IXYdiseeEuXCVAjS54zqwkLcPNnmU4OeJ6tUrWhDw==",
 			"dev": true
 		},
+		"sourcemap-codec": {
+			"version": "1.4.8",
+			"resolved": "https://registry.npmjs.org/sourcemap-codec/-/sourcemap-codec-1.4.8.tgz",
+			"integrity": "sha512-9NykojV5Uih4lgo5So5dtw+f0JgJX30KCNI8gwhz2J9A15wD0Ml6tjHKwf6fTSa6fAdVBdZeNOs9eJ71qCk8vA=="
+		},
 		"streamsearch": {
 			"version": "1.1.0",
 			"resolved": "https://registry.npmjs.org/streamsearch/-/streamsearch-1.1.0.tgz",
diff --git a/sites/svelte.dev/package.json b/sites/svelte.dev/package.json
index 88f8fab0f7..7fce69be46 100644
--- a/sites/svelte.dev/package.json
+++ b/sites/svelte.dev/package.json
@@ -22,7 +22,8 @@
 		"devalue": "^4.3.0",
 		"do-not-zip": "^1.0.0",
 		"flexsearch": "^0.7.31",
-		"flru": "^1.0.2"
+		"flru": "^1.0.2",
+		"sourcemap-codec": "^1.4.8"
 	},
 	"devDependencies": {
 		"@resvg/resvg-js": "^2.4.1",