diff --git a/report-viewer/package-lock.json b/report-viewer/package-lock.json
index 5d567e696..79b95d8d7 100644
--- a/report-viewer/package-lock.json
+++ b/report-viewer/package-lock.json
@@ -48,7 +48,7 @@
         "prettier": "^3.4.1",
         "prettier-plugin-tailwindcss": "^0.6.9",
         "tailwindcss": "^3.4.14",
-        "typescript": "^5.7.2",
+        "typescript": "5.6.3",
         "typescript-eslint": "^8.16.0",
         "vite": "^5.4.11",
         "vitest": "^2.1.5",
@@ -6775,9 +6775,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.7.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.7.2.tgz",
-      "integrity": "sha512-i5t66RHxDvVN40HfDd1PsEThGNnlMCMT3jMUuoh9/0TaqWevNontacunWyN02LA9/fIbEWlcHZcgTKb9QoaLfg==",
+      "version": "5.6.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.6.3.tgz",
+      "integrity": "sha512-hjcS1mhfuyi4WW8IWtjP7brDrG2cuDZukyrYrSauoXGNgx0S7zceP07adYkJycEr56BOUTNPzbInooiN3fn1qw==",
       "devOptional": true,
       "bin": {
         "tsc": "bin/tsc",
diff --git a/report-viewer/package.json b/report-viewer/package.json
index a0648bd26..250458e60 100644
--- a/report-viewer/package.json
+++ b/report-viewer/package.json
@@ -59,7 +59,7 @@
     "prettier": "^3.4.1",
     "prettier-plugin-tailwindcss": "^0.6.9",
     "tailwindcss": "^3.4.14",
-    "typescript": "^5.7.2",
+    "typescript": "^5.6.3",
     "typescript-eslint": "^8.16.0",
     "vite": "^5.4.11",
     "vitest": "^2.1.5",