diff --git a/Dockerfile b/Dockerfile
index fdae271..4322e66 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM rust:1.46.0 as builder
+FROM rust:1.48.0 as builder
 
 RUN git clone https://github.com/matrix-org/rust-synapse-compress-state.git && \
   cargo install --path rust-synapse-compress-state