diff --git a/.gitignore b/.gitignore
index 9c352d2..fd38bd4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -409,3 +409,4 @@
 /wasi-libc-wasi-sdk-16.tar.gz
 /rustc-1.66.0-src.tar.xz
 /wasi-libc-wasi-sdk-17.tar.gz
+/rustc-1.66.1-src.tar.xz
diff --git a/rust.spec b/rust.spec
index 3711710..414d501 100644
--- a/rust.spec
+++ b/rust.spec
@@ -87,7 +87,7 @@
 %endif
 
 Name:           rust
-Version:        1.66.0
+Version:        1.66.1
 Release:        1.0.riscv64%{?dist}
 Summary:        The Rust Programming Language
 License:        (ASL 2.0 or MIT) and (BSD and MIT)
@@ -1062,10 +1062,14 @@ end}
 
 
 %changelog
-* Tue Jan 10 2022 David Abdurachmanov <davidlt@rivosinc.com> - 1.66.0-1.0.riscv64
+* Fri Jan 13 2022 David Abdurachmanov <davidlt@rivosinc.com> - 1.66.1-1.0.riscv64
 - Do not package rust-analyzer on riscv64
 - Enable riscv64
 
+* Tue Jan 10 2023 Josh Stone <jistone@redhat.com> - 1.66.1-1
+- Update to 1.66.1.
+- Security fix for CVE-2022-46176
+
 * Thu Dec 15 2022 Josh Stone <jistone@redhat.com> - 1.66.0-1
 - Update to 1.66.0.
 
diff --git a/sources b/sources
index 608b89d..4fb006d 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (rustc-1.66.0-src.tar.xz) = df329bcabce309846e44d92a118758dfc65b63f06857226799c75568a2a018a96500fd07cd38c1927e3486d190a6f57340ee794c733bbbb69cf80a99855ced73
+SHA512 (rustc-1.66.1-src.tar.xz) = 1944c024c603140d0a9236043a3bd1d0d211dd8d368d6d82a3a620f1ff43b29624755b0943f2b38b40a188c7eee77a840238ea757eaf435e2a3fa6a0e6b82832
 SHA512 (wasi-libc-wasi-sdk-17.tar.gz) = 5870f86d4a8431edefaef41163d1fa7eddeabcfa6bc5794c7bf18b4fd320b6ea43c261a7e41966d0da1490a2d96b9742c82cbcca7c56bb404830722664cab376