diff --git a/example/mini_core.rs b/example/mini_core.rs
index de6aea4c697..134934bbffe 100644
--- a/example/mini_core.rs
+++ b/example/mini_core.rs
@@ -55,6 +55,7 @@ unsafe impl Copy for i16 {}
 unsafe impl Copy for i32 {}
 unsafe impl Copy for isize {}
 unsafe impl Copy for f32 {}
+unsafe impl Copy for f64 {}
 unsafe impl Copy for char {}
 unsafe impl<'a, T: ?Sized> Copy for &'a T {}
 unsafe impl<T: ?Sized> Copy for *const T {}
diff --git a/rust-toolchain b/rust-toolchain
index c5d2c4b17a9..b7928a5dac2 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2022-03-08"
+channel = "nightly-2022-03-13"
 components = ["rust-src", "rustc-dev", "llvm-tools-preview"]