diff --git a/core/package.json b/core/package.json
index 046a860..77fbb1c 100644
--- a/core/package.json
+++ b/core/package.json
@@ -82,7 +82,7 @@
         "@rollup/plugin-strip": "^3.0.2",
         "@rollup/plugin-typescript": "^12.2.0",
         "@types/mocha": "^10.0.1",
-        "@types/node": "^25.0.3",
+        "@types/node": "^26.1.0",
         "codecov": "^3.8.3",
         "cross-env": "^10.1.0",
         "grunt": "^1.6.2",
@@ -106,3 +106,4 @@
     }
 }
 
+
diff --git a/package.json b/package.json
index e2f32e2..f222d2d 100644
--- a/package.json
+++ b/package.json
@@ -75,7 +75,7 @@
         "@types/eslint": "^9.6.1",
         "@types/estree": "^1.0.0",
         "@types/mocha": "^10.0.1",
-        "@types/node": "^25.0.3",
+        "@types/node": "^26.1.0",
         "@types/sinon": "^22.0.0",
         "@typescript-eslint/eslint-plugin": "^7.14.1",
         "@typescript-eslint/parser": "^7.14.1",
diff --git a/shim/chai/package.json b/shim/chai/package.json
index 8fb57e5..090bcb7 100644
--- a/shim/chai/package.json
+++ b/shim/chai/package.json
@@ -83,7 +83,7 @@
         "@rollup/plugin-strip": "^3.0.2",
         "@rollup/plugin-typescript": "^12.2.0",
         "@types/mocha": "^10.0.1",
-        "@types/node": "^25.0.3",
+        "@types/node": "^26.1.0",
         "codecov": "^3.8.3",
         "cross-env": "^10.1.0",
         "grunt": "^1.6.2",
@@ -107,3 +107,4 @@
     }
 }
 
+