diff --git a/package-lock.json b/package-lock.json
index 32794b1..90ddaa3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
                 "@tiptap/extension-superscript": "^3.18.0",
                 "@tiptap/extension-text-align": "^3.10.7",
                 "@tiptap/extension-typography": "^3.10.7",
-                "@tiptap/extension-underline": "^3.10.7",
+                "@tiptap/extension-underline": "^3.18.0",
                 "@tiptap/pm": "^3.10.7",
                 "@tiptap/starter-kit": "^3.10.7",
                 "tailwindcss": "^4.1.17"
@@ -1568,16 +1568,16 @@
             }
         },
         "node_modules/@tiptap/extension-underline": {
-            "version": "3.17.1",
-            "resolved": "https://registry.npmjs.org/@tiptap/extension-underline/-/extension-underline-3.17.1.tgz",
-            "integrity": "sha512-6RdBzmkg6DYs0EqPyoqLGkISXzCnPqM/q3A6nh3EmFmORcIDfuNmcidvA6EImebK8KQGmtZKsRhQSnK4CNQ39g==",
+            "version": "3.18.0",
+            "resolved": "https://registry.npmjs.org/@tiptap/extension-underline/-/extension-underline-3.18.0.tgz",
+            "integrity": "sha512-009IeXURNJ/sm1pBqbj+2YQgjQaBtNlJR3dbl6xu49C+qExqCmI7klhKQuwsVVGLR7ahsYlp7d9RlftnhCXIcQ==",
             "license": "MIT",
             "funding": {
                 "type": "github",
                 "url": "https://github.com/sponsors/ueberdosis"
             },
             "peerDependencies": {
-                "@tiptap/core": "^3.17.1"
+                "@tiptap/core": "^3.18.0"
             }
         },
         "node_modules/@tiptap/extensions": {
diff --git a/package.json b/package.json
index b1fe1f5..0ec44e0 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
         "@tiptap/extension-superscript": "^3.18.0",
         "@tiptap/extension-text-align": "^3.10.7",
         "@tiptap/extension-typography": "^3.10.7",
-        "@tiptap/extension-underline": "^3.10.7",
+        "@tiptap/extension-underline": "^3.18.0",
         "@tiptap/pm": "^3.10.7",
         "@tiptap/starter-kit": "^3.10.7",
         "tailwindcss": "^4.1.17"