diff --git a/Dockerfile b/Dockerfile
index 52e7bf6..7da83ee 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ekidd/rust-musl-builder:nightly-2019-07-08 as builder
+FROM ekidd/rust-musl-builder:nightly-2020-07-12 as builder
 
 COPY Cargo.toml /home/rust/src/
 COPY Cargo.lock /home/rust/src/
diff --git a/src b/src
index 39fdf46..1c2e086 160000
--- a/src
+++ b/src
@@ -1 +1 @@
-Subproject commit 39fdf4603752e76a347449979d813b6b478a104c
+Subproject commit 1c2e08663c8d28983a361588e428f542601f4f9b