diff --git a/semgrep_output_v1.atd b/semgrep_output_v1.atd
index 2995768f..6d1d40df 100644
--- a/semgrep_output_v1.atd
+++ b/semgrep_output_v1.atd
@@ -2089,6 +2089,8 @@ type manifest_kind
   | ConanFileTxt
   (* conanfile.py - https://docs.conan.io/2.9/reference/conanfile.html *)  
   | ConanFilePy
+  (* .csproj - https://docs.microsoft.com/en-us/dotnet/core/tools/csproj *)
+  | Csproj
 ]
 
 type manifest
diff --git a/semgrep_output_v1.jsonschema b/semgrep_output_v1.jsonschema
index 7e3ab501..08169527 100644
--- a/semgrep_output_v1.jsonschema
+++ b/semgrep_output_v1.jsonschema
@@ -1700,7 +1700,8 @@
         { "const": "Pipfile" },
         { "const": "PyprojectToml" },
         { "const": "ConanFileTxt" },
-        { "const": "ConanFilePy" }
+        { "const": "ConanFilePy" },
+        { "const": "Csproj" }
       ]
     },
     "manifest": {
diff --git a/semgrep_output_v1.proto b/semgrep_output_v1.proto
index b1937edd..e41c61fc 100644
--- a/semgrep_output_v1.proto
+++ b/semgrep_output_v1.proto
@@ -1,6 +1,6 @@
 // Generated by jsonschema2protobuf.  DO NOT EDIT!
 // Source file: semgrep_output_v1.jsonschema
-// Source file sha256 digest: 25e0e40433e3ae6acc541edaf39cff2ad383ceb1e71630e89b6baa0b8346d465
+// Source file sha256 digest: d9baa6fa076fda6a6d6524f2169a1649bb55d75db50fe2ed88b98a517f2acfa2
 
 syntax = "proto3";
 
diff --git a/semgrep_output_v1.py b/semgrep_output_v1.py
index 9a88ea07..87c7834f 100644
--- a/semgrep_output_v1.py
+++ b/semgrep_output_v1.py
@@ -3507,11 +3507,28 @@ def to_json_string(self, **kw: Any) -> str:
         return json.dumps(self.to_json(), **kw)
 
 
+@dataclass(frozen=True)
+class Csproj:
+    """Original type: manifest_kind = [ ... | Csproj | ... ]"""
+
+    @property
+    def kind(self) -> str:
+        """Name of the class representing this variant."""
+        return 'Csproj'
+
+    @staticmethod
+    def to_json() -> Any:
+        return 'Csproj'
+
+    def to_json_string(self, **kw: Any) -> str:
+        return json.dumps(self.to_json(), **kw)
+
+
 @dataclass(frozen=True)
 class ManifestKind:
     """Original type: manifest_kind = [ ... ]"""
 
-    value: Union[RequirementsIn, PackageJson, Gemfile, GoMod_, CargoToml, PomXml, BuildGradle, SettingsGradle, ComposerJson, NugetManifestJson, PubspecYaml, PackageSwift, MixExs, Pipfile, PyprojectToml, ConanFileTxt, ConanFilePy]
+    value: Union[RequirementsIn, PackageJson, Gemfile, GoMod_, CargoToml, PomXml, BuildGradle, SettingsGradle, ComposerJson, NugetManifestJson, PubspecYaml, PackageSwift, MixExs, Pipfile, PyprojectToml, ConanFileTxt, ConanFilePy, Csproj]
 
     @property
     def kind(self) -> str:
@@ -3555,6 +3572,8 @@ def from_json(cls, x: Any) -> 'ManifestKind':
                 return cls(ConanFileTxt())
             if x == 'ConanFilePy':
                 return cls(ConanFilePy())
+            if x == 'Csproj':
+                return cls(Csproj())
             _atd_bad_json('ManifestKind', x)
         _atd_bad_json('ManifestKind', x)
 
diff --git a/semgrep_output_v1.ts b/semgrep_output_v1.ts
index 2d2eca58..770d37e6 100644
--- a/semgrep_output_v1.ts
+++ b/semgrep_output_v1.ts
@@ -940,6 +940,7 @@ export type ManifestKind =
 | { kind: 'PyprojectToml' }
 | { kind: 'ConanFileTxt' }
 | { kind: 'ConanFilePy' }
+| { kind: 'Csproj' }
 
 export type Manifest = {
   kind: ManifestKind;
@@ -3859,6 +3860,8 @@ export function writeManifestKind(x: ManifestKind, context: any = x): any {
       return 'ConanFileTxt'
     case 'ConanFilePy':
       return 'ConanFilePy'
+    case 'Csproj':
+      return 'Csproj'
   }
 }
 
@@ -3898,6 +3901,8 @@ export function readManifestKind(x: any, context: any = x): ManifestKind {
       return { kind: 'ConanFileTxt' }
     case 'ConanFilePy':
       return { kind: 'ConanFilePy' }
+    case 'Csproj':
+      return { kind: 'Csproj' }
     default:
       _atd_bad_json('ManifestKind', x, context)
       throw new Error('impossible')
diff --git a/semgrep_output_v1_j.ml b/semgrep_output_v1_j.ml
index b478df55..b407995f 100644
--- a/semgrep_output_v1_j.ml
+++ b/semgrep_output_v1_j.ml
@@ -9506,6 +9506,7 @@ let write_manifest_kind = (
       | `PyprojectToml -> Buffer.add_string ob "\"PyprojectToml\""
       | `ConanFileTxt -> Buffer.add_string ob "\"ConanFileTxt\""
       | `ConanFilePy -> Buffer.add_string ob "\"ConanFilePy\""
+      | `Csproj -> Buffer.add_string ob "\"Csproj\""
 )
 let string_of_manifest_kind ?(len = 1024) x =
   let ob = Buffer.create len in
@@ -9585,6 +9586,10 @@ let read_manifest_kind = (
               Yojson.Safe.read_space p lb;
               Yojson.Safe.read_gt p lb;
               `ConanFilePy
+            | "Csproj" ->
+              Yojson.Safe.read_space p lb;
+              Yojson.Safe.read_gt p lb;
+              `Csproj
             | x ->
               Atdgen_runtime.Oj_run.invalid_variant_tag p x
         )
@@ -9624,6 +9629,8 @@ let read_manifest_kind = (
               `ConanFileTxt
             | "ConanFilePy" ->
               `ConanFilePy
+            | "Csproj" ->
+              `Csproj
             | x ->
               Atdgen_runtime.Oj_run.invalid_variant_tag p x
         )