diff --git a/Dockerfile b/Dockerfile
index 8626ed252..39d0eb2b6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM rust:1.41.1 AS builder
+FROM rust:1.43.1 AS builder
 COPY . lighthouse
 RUN cd lighthouse && make
 RUN cd lighthouse && cargo install --path lcli --locked