diff --git a/fastcore/_modidx.py b/fastcore/_modidx.py
index 9f3fb4cc..9913f91f 100644
--- a/fastcore/_modidx.py
+++ b/fastcore/_modidx.py
@@ -577,6 +577,7 @@
                                 'fastcore.xtras.Path.read_json': ('xtras.html#path.read_json', 'fastcore/xtras.py'),
                                 'fastcore.xtras.Path.readlines': ('xtras.html#path.readlines', 'fastcore/xtras.py'),
                                 'fastcore.xtras.Path.relpath': ('xtras.html#path.relpath', 'fastcore/xtras.py'),
+                                'fastcore.xtras.Path.write_json': ('xtras.html#path.write_json', 'fastcore/xtras.py'),
                                 'fastcore.xtras.ReindexCollection': ('xtras.html#reindexcollection', 'fastcore/xtras.py'),
                                 'fastcore.xtras.ReindexCollection.__getitem__': ( 'xtras.html#reindexcollection.__getitem__',
                                                                                   'fastcore/xtras.py'),
diff --git a/fastcore/xtras.py b/fastcore/xtras.py
index 18ee6f82..06813b05 100644
--- a/fastcore/xtras.py
+++ b/fastcore/xtras.py
@@ -366,6 +366,12 @@ def mk_write(self:Path, data, encoding=None, errors=None, mode=511, uid=-1, gid=
     self.write_text(data, encoding=encoding, errors=errors)
     if uid!=-1 or gid!=-1: os.chown(self, uid, gid)
 
+# %% ../nbs/03_xtras.ipynb
+@patch
+def write_json(self:Path, data, encoding=None, errors=None, mode=511, uid=-1, gid=-1, **kw):
+    "Same as `dumps`followed by `mk_write`"
+    self.mk_write(dumps(data,**kw),encoding,errors,mode,uid,gid)
+
 # %% ../nbs/03_xtras.ipynb
 @patch
 def relpath(self:Path, start=None):
diff --git a/nbs/03_xtras.ipynb b/nbs/03_xtras.ipynb
index 65fc5a87..6b3838d5 100644
--- a/nbs/03_xtras.ipynb
+++ b/nbs/03_xtras.ipynb
@@ -1237,6 +1237,19 @@
     "    if uid!=-1 or gid!=-1: os.chown(self, uid, gid)"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "#|export\n",
+    "@patch\n",
+    "def write_json(self:Path, data, encoding=None, errors=None, mode=511, uid=-1, gid=-1, **kw):\n",
+    "    \"Same as `dumps`followed by `mk_write`\"\n",
+    "    self.mk_write(dumps(data,**kw),encoding,errors,mode,uid,gid)"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,