diff --git a/ci/rust-version.sh b/ci/rust-version.sh
index 0d816d4bf62a21..1df819b32f112a 100644
--- a/ci/rust-version.sh
+++ b/ci/rust-version.sh
@@ -18,13 +18,13 @@
 if [[ -n $RUST_STABLE_VERSION ]]; then
   stable_version="$RUST_STABLE_VERSION"
 else
-  stable_version=1.46.0
+  stable_version=1.47.0
 fi
 
 if [[ -n $RUST_NIGHTLY_VERSION ]]; then
   nightly_version="$RUST_NIGHTLY_VERSION"
 else
-  nightly_version=2020-08-17
+  nightly_version=2020-10-05
 fi