diff --git a/playground/package-lock.json b/playground/package-lock.json
index 0f1af5d971..fbb54efc26 100644
--- a/playground/package-lock.json
+++ b/playground/package-lock.json
@@ -44,7 +44,7 @@
         "react-resizable-panels": "^2.1.7",
         "red_knot_wasm": "file:red_knot_wasm",
         "shared": "0.0.0",
-        "smol-toml": "^1.3.1"
+        "smol-toml": "^1.3.4"
       },
       "devDependencies": {
         "vite-plugin-static-copy": "^2.3.0"
@@ -5393,9 +5393,9 @@
       }
     },
     "node_modules/smol-toml": {
-      "version": "1.3.3",
-      "resolved": "https://registry.npmjs.org/smol-toml/-/smol-toml-1.3.3.tgz",
-      "integrity": "sha512-KMVLNWu490KlNfD0lbfDBUktJIEaZRBj1eeK0SMfdpO/rfyARIzlnPVI1Ge4l0vtSJmQUAiGKxMyLGrCT38iyA==",
+      "version": "1.3.4",
+      "resolved": "https://registry.npmjs.org/smol-toml/-/smol-toml-1.3.4.tgz",
+      "integrity": "sha512-UOPtVuYkzYGee0Bd2Szz8d2G3RfMfJ2t3qVdZUAozZyAk+a0Sxa+QKix0YCwjL/A1RR0ar44nCxaoN9FxdJGwA==",
       "license": "BSD-3-Clause",
       "engines": {
         "node": ">= 18"
@@ -6090,7 +6090,7 @@
         "react-resizable-panels": "^2.0.0",
         "ruff_wasm": "file:ruff_wasm",
         "shared": "0.0.0",
-        "smol-toml": "^1.3.0"
+        "smol-toml": "^1.3.4"
       }
     },
     "ruff/ruff_wasm": {