diff --git a/Cargo.lock b/Cargo.lock
index 8c97711..cdd179b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1917,6 +1917,7 @@ checksum = "75030f3c4f45dafd7586dd6780965a8c7e8e285a5ecb86713e63a79c5b2766f3"
 dependencies = [
  "any_all_workaround",
  "cfg-if",
+ "rustversion",
 ]
 
 [[package]]
diff --git a/third_party/rust/encoding_rs/Cargo.toml b/third_party/rust/encoding_rs/Cargo.toml
index 2adac35..0239315 100644
--- a/third_party/rust/encoding_rs/Cargo.toml
+++ b/third_party/rust/encoding_rs/Cargo.toml
@@ -16,6 +16,7 @@ name = "encoding_rs"
 version = "0.8.35"
 authors = ["Henri Sivonen <hsivonen@hsivonen.fi>"]
 build = false
+autolib = false
 autobins = false
 autoexamples = false
 autotests = false
@@ -39,33 +40,6 @@ categories = [
 license = "(Apache-2.0 OR MIT) AND BSD-3-Clause"
 repository = "https://github.com/hsivonen/encoding_rs"
 
-[profile.release]
-lto = true
-
-[lib]
-name = "encoding_rs"
-path = "src/lib.rs"
-
-[dependencies.any_all_workaround]
-version = "0.1.0"
-optional = true
-
-[dependencies.cfg-if]
-version = "1.0"
-
-[dependencies.serde]
-version = "1.0"
-optional = true
-
-[dev-dependencies.bincode]
-version = "1.0"
-
-[dev-dependencies.serde_derive]
-version = "1.0"
-
-[dev-dependencies.serde_json]
-version = "1.0"
-
 [features]
 alloc = []
 default = ["alloc"]
@@ -84,4 +58,34 @@ fast-legacy-encode = [
 less-slow-big5-hanzi-encode = []
 less-slow-gb-hanzi-encode = []
 less-slow-kanji-encode = []
-simd-accel = ["any_all_workaround"]
+simd-accel = [
+    "any_all_workaround",
+    "rustversion",
+]
+
+[lib]
+name = "encoding_rs"
+path = "src/lib.rs"
+
+[dependencies]
+cfg-if = "1.0"
+
+[dependencies.any_all_workaround]
+version = "0.1.0"
+optional = true
+
+[dependencies.rustversion]
+version = "1.0.19"
+optional = true
+
+[dependencies.serde]
+version = "1.0"
+optional = true
+
+[dev-dependencies]
+bincode = "1.0"
+serde_derive = "1.0"
+serde_json = "1.0"
+
+[profile.release]
+lto = true
diff --git a/third_party/rust/encoding_rs/src/x_user_defined.rs b/third_party/rust/encoding_rs/src/x_user_defined.rs
index 7af7d5e..2d24c9c 100644
--- a/third_party/rust/encoding_rs/src/x_user_defined.rs
+++ b/third_party/rust/encoding_rs/src/x_user_defined.rs
@@ -16,6 +16,8 @@ cfg_if! {
         use simd_funcs::*;
         use core::simd::u16x8;
         use core::simd::cmp::SimdPartialOrd;
+        #[rustversion::since(1.95)]
+       use core::simd::Select;
 
         #[inline(always)]
         fn shift_upper(unpacked: u16x8) -> u16x8 {