diff --git a/modules/openapi-generator/src/main/resources/rust/reqwest/api.mustache b/modules/openapi-generator/src/main/resources/rust/reqwest/api.mustache
index b96063531e616..083f652d0fbb4 100644
--- a/modules/openapi-generator/src/main/resources/rust/reqwest/api.mustache
+++ b/modules/openapi-generator/src/main/resources/rust/reqwest/api.mustache
@@ -275,7 +275,22 @@ pub {{#supportAsync}}async {{/supportAsync}}fn {{{operationId}}}(configuration:
     {{/required}}
     {{/supportAsync}}
     {{#supportAsync}}
-    // TODO: support file upload for '{{{baseName}}}' parameter
+    {{#required}}
+    {{^isNullable}}
+    local_var_form = local_var_form.file("{{{baseName}}}", {{{paramName}}}).await?;
+    {{/isNullable}}
+    {{#isNullable}}
+    match {{{paramName}}} {
+        Some(local_var_param_value) => { local_var_form = local_var_form.file("{{{baseName}}}", local_var_param_value).await?; },
+        None => { unimplemented!("Required nullable form file param not supported"); },
+    }
+    {{/isNullable}}
+    {{/required}}
+    {{^required}}
+    if let Some(local_var_param_value) = {{{paramName}}} {
+        local_var_form = local_var_form.file("{{{baseName}}}", local_var_param_value).await?;
+    }
+    {{/required}}
     {{/supportAsync}}
     {{/isFile}}
     {{^isFile}}
diff --git a/samples/client/petstore/rust/reqwest/petstore-async-middleware/src/apis/pet_api.rs b/samples/client/petstore/rust/reqwest/petstore-async-middleware/src/apis/pet_api.rs
index 471556f03bd7e..3f7732e20ada1 100644
--- a/samples/client/petstore/rust/reqwest/petstore-async-middleware/src/apis/pet_api.rs
+++ b/samples/client/petstore/rust/reqwest/petstore-async-middleware/src/apis/pet_api.rs
@@ -529,7 +529,9 @@ pub async fn upload_file(configuration: &configuration::Configuration, params: U
     if let Some(local_var_param_value) = additional_metadata {
         local_var_form = local_var_form.text("additionalMetadata", local_var_param_value.to_string());
     }
-    // TODO: support file upload for 'file' parameter
+    if let Some(local_var_param_value) = file {
+        local_var_form = local_var_form.file("file", local_var_param_value).await?;
+    }
     local_var_req_builder = local_var_req_builder.multipart(local_var_form);
 
     let local_var_req = local_var_req_builder.build()?;
diff --git a/samples/client/petstore/rust/reqwest/petstore-async-tokensource/src/apis/pet_api.rs b/samples/client/petstore/rust/reqwest/petstore-async-tokensource/src/apis/pet_api.rs
index 55fffa82b61af..0741583ef0082 100644
--- a/samples/client/petstore/rust/reqwest/petstore-async-tokensource/src/apis/pet_api.rs
+++ b/samples/client/petstore/rust/reqwest/petstore-async-tokensource/src/apis/pet_api.rs
@@ -540,7 +540,9 @@ pub async fn upload_file(configuration: &configuration::Configuration, params: U
     if let Some(local_var_param_value) = additional_metadata {
         local_var_form = local_var_form.text("additionalMetadata", local_var_param_value.to_string());
     }
-    // TODO: support file upload for 'file' parameter
+    if let Some(local_var_param_value) = file {
+        local_var_form = local_var_form.file("file", local_var_param_value).await?;
+    }
     local_var_req_builder = local_var_req_builder.multipart(local_var_form);
 
     let local_var_req = local_var_req_builder.build()?;
diff --git a/samples/client/petstore/rust/reqwest/petstore-async/src/apis/pet_api.rs b/samples/client/petstore/rust/reqwest/petstore-async/src/apis/pet_api.rs
index 471556f03bd7e..3f7732e20ada1 100644
--- a/samples/client/petstore/rust/reqwest/petstore-async/src/apis/pet_api.rs
+++ b/samples/client/petstore/rust/reqwest/petstore-async/src/apis/pet_api.rs
@@ -529,7 +529,9 @@ pub async fn upload_file(configuration: &configuration::Configuration, params: U
     if let Some(local_var_param_value) = additional_metadata {
         local_var_form = local_var_form.text("additionalMetadata", local_var_param_value.to_string());
     }
-    // TODO: support file upload for 'file' parameter
+    if let Some(local_var_param_value) = file {
+        local_var_form = local_var_form.file("file", local_var_param_value).await?;
+    }
     local_var_req_builder = local_var_req_builder.multipart(local_var_form);
 
     let local_var_req = local_var_req_builder.build()?;
diff --git a/samples/client/petstore/rust/reqwest/petstore-avoid-box/src/apis/pet_api.rs b/samples/client/petstore/rust/reqwest/petstore-avoid-box/src/apis/pet_api.rs
index 471556f03bd7e..3f7732e20ada1 100644
--- a/samples/client/petstore/rust/reqwest/petstore-avoid-box/src/apis/pet_api.rs
+++ b/samples/client/petstore/rust/reqwest/petstore-avoid-box/src/apis/pet_api.rs
@@ -529,7 +529,9 @@ pub async fn upload_file(configuration: &configuration::Configuration, params: U
     if let Some(local_var_param_value) = additional_metadata {
         local_var_form = local_var_form.text("additionalMetadata", local_var_param_value.to_string());
     }
-    // TODO: support file upload for 'file' parameter
+    if let Some(local_var_param_value) = file {
+        local_var_form = local_var_form.file("file", local_var_param_value).await?;
+    }
     local_var_req_builder = local_var_req_builder.multipart(local_var_form);
 
     let local_var_req = local_var_req_builder.build()?;