diff --git a/Dockerfile b/Dockerfile
index 7da83ee..b1ea3f9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ekidd/rust-musl-builder:nightly-2020-07-12 as builder
+FROM ekidd/rust-musl-builder:nightly-2021-01-01 as builder
 
 COPY Cargo.toml /home/rust/src/
 COPY Cargo.lock /home/rust/src/
diff --git a/src b/src
index eb6349b..ee2e8cd 160000
--- a/src
+++ b/src
@@ -1 +1 @@
-Subproject commit eb6349b51b63a32be110c96cd500b9ade4b23093
+Subproject commit ee2e8cd560c54c9e091cd3ab5f84f96192a7a360