diff --git a/usrlocalpkg/admin/config b/usrlocalpkg/admin/config
index b43876e..9689752 100644
--- a/usrlocalpkg/admin/config
+++ b/usrlocalpkg/admin/config
@@ -1595,7 +1595,7 @@ CellProfiler-3.1.5-0
 CellProfiler-4.2.1-0
   cellprofiler4=cellprofiler
 
-rust=rustc-1.52.1-0
+rust=rustc-1.66.1-0
   rustc
   cargo
   cbindgens