diff --git a/rslib/rust-toolchain b/rslib/rust-toolchain
index f8a3455b4..d3607ff93 100644
--- a/rslib/rust-toolchain
+++ b/rslib/rust-toolchain
@@ -1 +1 @@
-nightly-2020-01-25
+nightly-2020-02-27
diff --git a/rspy/rust-toolchain b/rspy/rust-toolchain
index f8a3455b4..d3607ff93 100644
--- a/rspy/rust-toolchain
+++ b/rspy/rust-toolchain
@@ -1 +1 @@
-nightly-2020-01-25
+nightly-2020-02-27