diff --git a/Dockerfile b/Dockerfile
index 296bbff..0863d77 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM rust:1.66 AS builder
+FROM rust:slim AS builder
 
 COPY . /ontime
 
@@ -20,4 +20,4 @@ COPY --from=builder /ontime/target/${TARGET}/release/ontime /bin/
 
 RUN ontime --version
 
-ENTRYPOINT [ "/bin/bash", "-l", "-c" ]
\ No newline at end of file
+ENTRYPOINT [ "/bin/bash", "-l", "-c" ]