diff --git a/Dockerfile b/Dockerfile
index fff87d3..160e628 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,8 @@
 # https://whitfin.io/speeding-up-rust-docker-builds/
 # TODO: https://stackoverflow.com/questions/57389547/how-to-define-the-context-for-a-docker-build-as-a-specific-commit-on-one-of-the
 
-# docker pull rust:1.66-slim-buster
-FROM rust@sha256:98c9b1fca0c9a6183369daf9efadb57c634340ae877bb027aeadf72afdd086a3 as build
+# docker pull rust:1.75-slim-buster
+FROM rust@sha256:981dda194caa72aa466cb8789aa6d18ee1af22bc77f1c0b8dc9690f5d3e8fe82 as build
 
 WORKDIR /
 ENV USER root