diff --git a/arm64.dockerfile b/arm64.dockerfile
index f2d53d5924c8d732f20a7d6c1ed97b5ac61bdb2f..ac63c018a88f2939a6add9f68b5fdbbe0a92db48 100644
--- a/arm64.dockerfile
+++ b/arm64.dockerfile
@@ -1,7 +1,7 @@
 ## This file can be used to build arm64 Linux versions of a Bevy project
 
 FROM r.lcr.gr/microhacks/msdfgen-builder:arm64 AS msdfgen
-FROM ghcr.io/rust-lang/rust:nightly-buster
+FROM ghcr.io/rust-lang/rust:nightly-slim
 
 COPY --from=msdfgen /usr/bin/msdf-atlas-gen /usr/bin/msdf-atlas-gen
 
diff --git a/x86.dockerfile b/x86.dockerfile
index 42eea5ea0742b50fc60ca6b0b7ebadfc4e2cb419..1e878dd9adf235e38b138082053f8f7e6af0e89a 100644
--- a/x86.dockerfile
+++ b/x86.dockerfile
@@ -1,6 +1,6 @@
 ## This file can be used to build x86 Linux, x86 Windows and Wasm versions of a Bevy project
 FROM r.lcr.gr/microhacks/msdfgen-builder:latest AS msdfgen
-FROM ghcr.io/rust-lang/rust:nightly-buster
+FROM ghcr.io/rust-lang/rust:nightly-slim
 
 COPY --from=msdfgen /usr/bin/msdf-atlas-gen /usr/bin/msdf-atlas-gen