diff --git a/rust-version b/rust-version
index 9600195a6a..60ae5d1259 100644
--- a/rust-version
+++ b/rust-version
@@ -1 +1 @@
-f1a5ce19f5aa0cf61ed7b9f75b30e610befeed72
+2e4e2a8f288f642cafcc41fff211955ceddc453d
diff --git a/src/shims/windows/foreign_items.rs b/src/shims/windows/foreign_items.rs
index 4ad44adff0..bddc30b837 100644
--- a/src/shims/windows/foreign_items.rs
+++ b/src/shims/windows/foreign_items.rs
@@ -272,6 +272,18 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
 
                 this.Sleep(timeout)?;
             }
+            "CreateWaitableTimerExW" => {
+                let [attributes, name, flags, access] =
+                    this.check_shim(abi, Abi::System { unwind: false }, link_name, args)?;
+                this.read_pointer(attributes)?;
+                this.read_pointer(name)?;
+                this.read_scalar(flags)?.to_u32()?;
+                this.read_scalar(access)?.to_u32()?;
+                // Unimplemented. Always return failure.
+                let not_supported = this.eval_windows("c", "ERROR_NOT_SUPPORTED");
+                this.set_last_error(not_supported)?;
+                this.write_null(dest)?;
+            }
 
             // Synchronization primitives
             "AcquireSRWLockExclusive" => {