diff --git a/package.json b/package.json
index 6ba92841e..3d0e8bacb 100644
--- a/package.json
+++ b/package.json
@@ -84,7 +84,7 @@
     "cross-env": "^6.0.0",
     "detect-node": "^2.0.4",
     "go-ipfs-dep": "^0.4.22",
-    "interface-ipfs-core": "^0.127.0",
+    "interface-ipfs-core": "^0.128.0",
     "ipfsd-ctl": "^1.0.0",
     "ndjson": "^1.5.0",
     "nock": "^11.4.0",
diff --git a/src/add/index.js b/src/add/index.js
index 546e5428d..e8b3c22f0 100644
--- a/src/add/index.js
+++ b/src/add/index.js
@@ -42,7 +42,7 @@ module.exports = configure(({ ky }) => {
 
     for await (let file of ndjson(toIterable(res.body))) {
       file = toCamel(file)
-      // console.log(file)
+
       if (options.progress && file.bytes) {
         options.progress(file.bytes)
       } else {
@@ -52,16 +52,23 @@ module.exports = configure(({ ky }) => {
   }
 })
 
-function toCoreInterface ({ name, hash, size, mode, mtime }) {
+function toCoreInterface ({ name, hash, size, mode, mtime, mtimeNsecs }) {
   const output = {
     path: name,
     hash,
     size: parseInt(size)
   }
 
-  if (mode !== undefined) {
+  if (mode != null) {
     output.mode = parseInt(mode, 8)
   }
 
+  if (mtime != null) {
+    output.mtime = {
+      secs: mtime,
+      nsecs: mtimeNsecs || 0
+    }
+  }
+
   return output
 }
diff --git a/src/files/cp.js b/src/files/cp.js
index f9ed0bb20..ce68aa588 100644
--- a/src/files/cp.js
+++ b/src/files/cp.js
@@ -13,6 +13,7 @@ module.exports = configure(({ ky }) => {
     if (options.flush != null) searchParams.set('flush', options.flush)
     if (options.hashAlg) searchParams.set('hash', options.hashAlg)
     if (options.parents != null) searchParams.set('parents', options.parents)
+    if (options.shardSplitThreshold != null) searchParams.set('shardSplitThreshold', options.shardSplitThreshold)
 
     return ky.post('files/cp', {
       timeout: options.timeout,
diff --git a/src/files/mkdir.js b/src/files/mkdir.js
index 382c62b22..7083d4b40 100644
--- a/src/files/mkdir.js
+++ b/src/files/mkdir.js
@@ -15,6 +15,7 @@ module.exports = configure(({ ky }) => {
     if (options.flush != null) searchParams.set('flush', options.flush)
     if (options.hashAlg) searchParams.set('hash', options.hashAlg)
     if (options.parents != null) searchParams.set('parents', options.parents)
+    if (options.shardSplitThreshold != null) searchParams.set('shardSplitThreshold', options.shardSplitThreshold)
     if (mtime) {
       searchParams.set('mtime', mtime.secs)
 
diff --git a/src/files/mv.js b/src/files/mv.js
index 78560dfeb..5b0efbc89 100644
--- a/src/files/mv.js
+++ b/src/files/mv.js
@@ -13,6 +13,7 @@ module.exports = configure(({ ky }) => {
     if (options.flush != null) searchParams.set('flush', options.flush)
     if (options.hashAlg) searchParams.set('hash', options.hashAlg)
     if (options.parents != null) searchParams.set('parents', options.parents)
+    if (options.shardSplitThreshold != null) searchParams.set('shardSplitThreshold', options.shardSplitThreshold)
 
     return ky.post('files/mv', {
       timeout: options.timeout,
diff --git a/src/files/rm.js b/src/files/rm.js
index c0a5e7eab..ebfbd4061 100644
--- a/src/files/rm.js
+++ b/src/files/rm.js
@@ -10,6 +10,7 @@ module.exports = configure(({ ky }) => {
     searchParams.append('arg', path)
     if (options.recursive != null) searchParams.set('recursive', options.recursive)
     if (options.force != null) searchParams.set('force', options.force)
+    if (options.shardSplitThreshold != null) searchParams.set('shardSplitThreshold', options.shardSplitThreshold)
 
     return ky.post('files/rm', {
       timeout: options.timeout,
diff --git a/src/files/write.js b/src/files/write.js
index e31f0a8a2..a91c920a7 100644
--- a/src/files/write.js
+++ b/src/files/write.js
@@ -21,6 +21,7 @@ module.exports = configure(({ ky }) => {
     if (options.parents != null) searchParams.set('parents', options.parents)
     if (options.rawLeaves != null) searchParams.set('raw-leaves', options.rawLeaves)
     if (options.truncate != null) searchParams.set('truncate', options.truncate)
+    if (options.shardSplitThreshold != null) searchParams.set('shardSplitThreshold', options.shardSplitThreshold)
     if (mtime) {
       searchParams.set('mtime', mtime.secs)
 
diff --git a/test/interface.spec.js b/test/interface.spec.js
index e09cac5a6..796c1ae86 100644
--- a/test/interface.spec.js
+++ b/test/interface.spec.js
@@ -242,6 +242,30 @@ describe('interface-ipfs-core tests', () => {
       {
         name: 'should write file and specify mtime as hrtime',
         reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should stat file with mode',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should stat file with mtime',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should stat dir with mode',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should stat dir with mtime',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should stat sharded dir with mode',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should stat sharded dir with mtime',
+        reason: 'TODO not implemented in go-ipfs yet'
       }
     ]
   })