diff --git a/Cargo.lock b/Cargo.lock
index dc9571d1..efa8984b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2590,9 +2590,9 @@ checksum = "db20136bbc9ae63f3fec8e5a6c369f4902fac2244501b5dfc6d668e43475aaa4"
 
 [[package]]
 name = "radicle-surf"
-version = "0.19.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fade014fab67a7bdb816e4cf821611af5f0bc55c6eb1018561027ba6ba3b6b28"
+checksum = "5fae23233ff8be809a822d923e93e56e5282179039b19f345f39f592c1ca0765"
 dependencies = [
  "anyhow",
  "base64 0.13.1",
diff --git a/radicle-cli/Cargo.toml b/radicle-cli/Cargo.toml
index bea6b35b..1a94617e 100644
--- a/radicle-cli/Cargo.toml
+++ b/radicle-cli/Cargo.toml
@@ -23,7 +23,7 @@ nonempty = { version = "0.9.0" }
 # N.b. this is required to use macros, even though it's re-exported
 # through radicle
 radicle-git-ext = { version = "0.7.0", features = ["serde"] }
-radicle-surf = { version = "0.19.0" }
+radicle-surf = { version = "0.21.0" }
 serde = { version = "1.0" }
 serde_json = { version = "1" }
 shlex = { version = "1.1.0" }
diff --git a/radicle-httpd/Cargo.toml b/radicle-httpd/Cargo.toml
index 05ce9b66..8c92063d 100644
--- a/radicle-httpd/Cargo.toml
+++ b/radicle-httpd/Cargo.toml
@@ -37,7 +37,7 @@ hyper = { version = "1.0.1", default-features = false }
 lexopt = { version = "0.3.0" }
 lru = { version = "0.12.0" }
 nonempty = { version = "0.9.0", features = ["serialize"] }
-radicle-surf = { version = "0.19.0", default-features = false, features = ["serde"] }
+radicle-surf = { version = "0.21.0", default-features = false, features = ["serde"] }
 serde = { version = "1", features = ["derive"] }
 serde_json = { version = "1", features = ["preserve_order"] }
 thiserror = { version = "1" }
diff --git a/radicle-httpd/src/api/v1/projects.rs b/radicle-httpd/src/api/v1/projects.rs
index 49dd197a..d3e97908 100644
--- a/radicle-httpd/src/api/v1/projects.rs
+++ b/radicle-httpd/src/api/v1/projects.rs
@@ -1190,8 +1190,45 @@ mod routes {
                 },
               },
               "diff": {
-                "added": [
+                "files": [
                   {
+                    "state": "deleted",
+                    "path": "CONTRIBUTING",
+                    "diff": {
+                      "type": "plain",
+                      "hunks": [
+                        {
+                          "header": "@@ -1 +0,0 @@\n",
+                          "lines": [
+                            {
+                              "line": "Thank you very much!\n",
+                              "lineNo": 1,
+                              "type": "deletion",
+                            },
+                          ],
+                          "old":  {
+                            "start": 1,
+                            "end": 2,
+                          },
+                          "new": {
+                            "start": 0,
+                            "end": 0,
+                          },
+                        },
+                      ],
+                      "stats": {
+                        "additions": 0,
+                        "deletions": 1,
+                      },
+                      "eof": "noneMissing",
+                    },
+                    "old": {
+                      "oid": "82eb77880c693655bce074e3dbbd9fa711dc018b",
+                      "mode": "blob",
+                    },
+                  },
+                  {
+                    "state": "added",
                     "path": "README",
                     "diff": {
                       "type": "plain",
@@ -1227,6 +1264,7 @@ mod routes {
                     },
                   },
                   {
+                    "state": "added",
                     "path": "dir1/README",
                     "diff": {
                       "type": "plain",
@@ -1260,48 +1298,8 @@ mod routes {
                       "oid": "1dd5654ca2d2cf9f33b14c92b5ca9e1d21a91ae1",
                       "mode": "blob",
                     },
-                  }
-                ],
-                "deleted": [
-                  {
-                    "path": "CONTRIBUTING",
-                    "diff": {
-                      "type": "plain",
-                      "hunks": [
-                        {
-                          "header": "@@ -1 +0,0 @@\n",
-                          "lines": [
-                            {
-                              "line": "Thank you very much!\n",
-                              "lineNo": 1,
-                              "type": "deletion",
-                            },
-                          ],
-                          "old":  {
-                            "start": 1,
-                            "end": 2,
-                          },
-                          "new": {
-                            "start": 0,
-                            "end": 0,
-                          },
-                        },
-                      ],
-                      "stats": {
-                        "additions": 0,
-                        "deletions": 1,
-                      },
-                      "eof": "noneMissing",
-                    },
-                    "old": {
-                      "oid": "82eb77880c693655bce074e3dbbd9fa711dc018b",
-                      "mode": "blob",
-                    },
                   },
                 ],
-                "moved": [],
-                "copied": [],
-                "modified": [],
                 "stats": {
                   "filesChanged": 3,
                   "insertions": 2,
@@ -1604,8 +1602,9 @@ mod routes {
             response.json().await,
             json!({
                 "diff": {
-                  "added": [
+                  "files": [
                     {
+                      "state": "added",
                       "path": "dir1/README",
                       "diff": {
                         "type": "plain",
@@ -1641,10 +1640,6 @@ mod routes {
                       },
                     },
                   ],
-                  "deleted": [],
-                  "moved": [],
-                  "copied": [],
-                  "modified": [],
                   "stats": {
                     "filesChanged": 1,
                     "insertions": 1,