diff --git a/Cargo.lock b/Cargo.lock
index 7a00405828..248c5dd9ae 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2351,6 +2351,7 @@ dependencies = [
  "lazy_static",
  "log",
  "mime",
+ "mime_guess",
  "native-tls",
  "percent-encoding 2.1.0",
  "pin-project-lite 0.2.0",
diff --git a/Cargo.toml b/Cargo.toml
index f12a02c9e6..861f1e3162 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -123,7 +123,7 @@ version = "0.6.1"
 
 [dependencies.reqwest]
 version = "0.11.0"
-features = [ "blocking", "json" ]
+features = [ "blocking", "json", "multipart" ]
 
 [dependencies.self_update]
 version = "0.22.0"