diff --git a/docs/docs.go b/docs/docs.go
index ecfa982..4498bb4 100644
--- a/docs/docs.go
+++ b/docs/docs.go
@@ -115,6 +115,46 @@ const docTemplate = `{
                     }
                 }
             }
+        },
+        "/map/{id}/snfm": {
+            "get": {
+                "security": [
+                    {
+                        "ApiKeyAuth": []
+                    }
+                ],
+                "description": "Redirects to a signed download URL for a map's SNFM file",
+                "tags": [
+                    "maps"
+                ],
+                "summary": "Download SNFM file",
+                "parameters": [
+                    {
+                        "type": "integer",
+                        "description": "Map ID",
+                        "name": "id",
+                        "in": "path",
+                        "required": true
+                    }
+                ],
+                "responses": {
+                    "307": {
+                        "description": "Redirect to signed S3 URL"
+                    },
+                    "404": {
+                        "description": "Map not found",
+                        "schema": {
+                            "$ref": "#/definitions/Error"
+                        }
+                    },
+                    "default": {
+                        "description": "General error response",
+                        "schema": {
+                            "$ref": "#/definitions/Error"
+                        }
+                    }
+                }
+            }
         }
     },
     "definitions": {
diff --git a/docs/swagger.json b/docs/swagger.json
index 3465447..da4f96d 100644
--- a/docs/swagger.json
+++ b/docs/swagger.json
@@ -108,6 +108,46 @@
                     }
                 }
             }
+        },
+        "/map/{id}/snfm": {
+            "get": {
+                "security": [
+                    {
+                        "ApiKeyAuth": []
+                    }
+                ],
+                "description": "Redirects to a signed download URL for a map's SNFM file",
+                "tags": [
+                    "maps"
+                ],
+                "summary": "Download SNFM file",
+                "parameters": [
+                    {
+                        "type": "integer",
+                        "description": "Map ID",
+                        "name": "id",
+                        "in": "path",
+                        "required": true
+                    }
+                ],
+                "responses": {
+                    "307": {
+                        "description": "Redirect to signed S3 URL"
+                    },
+                    "404": {
+                        "description": "Map not found",
+                        "schema": {
+                            "$ref": "#/definitions/Error"
+                        }
+                    },
+                    "default": {
+                        "description": "General error response",
+                        "schema": {
+                            "$ref": "#/definitions/Error"
+                        }
+                    }
+                }
+            }
         }
     },
     "definitions": {
diff --git a/docs/swagger.yaml b/docs/swagger.yaml
index ffc6d9c..b402668 100644
--- a/docs/swagger.yaml
+++ b/docs/swagger.yaml
@@ -133,6 +133,31 @@ paths:
       summary: Get map by ID
       tags:
       - maps
+  /map/{id}/snfm:
+    get:
+      description: Redirects to a signed download URL for a map's SNFM file
+      parameters:
+      - description: Map ID
+        in: path
+        name: id
+        required: true
+        type: integer
+      responses:
+        "307":
+          description: Redirect to signed S3 URL
+        "404":
+          description: Map not found
+          schema:
+            $ref: '#/definitions/Error'
+        default:
+          description: General error response
+          schema:
+            $ref: '#/definitions/Error'
+      security:
+      - ApiKeyAuth: []
+      summary: Download SNFM file
+      tags:
+      - maps
 securityDefinitions:
   ApiKeyAuth:
     in: header
diff --git a/generate.go b/generate.go
index 5a37007..c3c141c 100644
--- a/generate.go
+++ b/generate.go
@@ -1,4 +1,4 @@
 package main
 
-//go:generate swag init -g ./cmd/maps-service/service.go
+//go:generate go run github.com/swaggo/swag/cmd/swag@latest init -g ./cmd/maps-service/service.go
 //go:generate go run github.com/ogen-go/ogen/cmd/ogen@latest --target pkg/api --clean openapi.yaml