diff --git a/ci/rust-version.sh b/ci/rust-version.sh
index 3db1a843fa105b..98ad807d71dd0a 100644
--- a/ci/rust-version.sh
+++ b/ci/rust-version.sh
@@ -45,7 +45,7 @@ export rust_nightly_docker_image=solanalabs/rust-nightly:"$nightly_version"
     declare toolchain=$1
     if ! cargo +"$toolchain" -V > /dev/null; then
       echo "$0: Missing toolchain? Installing...: $toolchain" >&2
-      rustup install "$toolchain"
+      rustup install "$toolchain" --no-self-update
       cargo +"$toolchain" -V
     fi
   }