diff --git a/Cargo.lock b/Cargo.lock
index 5d64e37a2..70b44bc17 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3055,7 +3055,7 @@ dependencies = [
 [[package]]
 name = "rustwide"
 version = "0.14.0"
-source = "git+https://github.com/l4l/rustwide.git?branch=registry-key#f6d918ac3179d85fb64788bf30eb4bc2ba35d738"
+source = "git+https://github.com/l4l/rustwide.git?branch=registry-key#bd25fcf067ad47c42bc2431a83a4306de005f85a"
 dependencies = [
  "attohttpc",
  "base64 0.13.0",
diff --git a/src/docbuilder/rustwide_builder.rs b/src/docbuilder/rustwide_builder.rs
index 4c95dd4ce..352595c7e 100644
--- a/src/docbuilder/rustwide_builder.rs
+++ b/src/docbuilder/rustwide_builder.rs
@@ -18,7 +18,7 @@ use postgres::Client;
 use rustwide::cmd::{Command, CommandError, SandboxBuilder, SandboxImage};
 use rustwide::logging::{self, LogStorage};
 use rustwide::toolchain::ToolchainError;
-use rustwide::{Build, Crate, Toolchain, Workspace, WorkspaceBuilder};
+use rustwide::{AlternativeRegistry, Build, Crate, Toolchain, Workspace, WorkspaceBuilder};
 use serde_json::Value;
 use std::collections::{HashMap, HashSet};
 use std::path::Path;
@@ -297,7 +297,13 @@ impl RustwideBuilder {
         let krate = match kind {
             PackageKind::Local(path) => Crate::local(path),
             PackageKind::CratesIo => Crate::crates_io(name, version),
-            PackageKind::Registry { url, key } => Crate::registry(url, name, version, key),
+            PackageKind::Registry { url, key } => {
+                let mut registry = AlternativeRegistry::new(url);
+                if let Some(key) = key {
+                    registry.authenticate_with_ssh_key(key);
+                }
+                Crate::registry(registry, name, version)
+            }
         };
         krate.fetch(&self.workspace)?;