diff --git a/.gitignore b/.gitignore
index b2d5787..808eb9d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,3 +18,4 @@
 /orjson-3.10.13.tar.gz
 /orjson-3.10.14.tar.gz
 /orjson-3.10.16.tar.gz
+/orjson-3.10.18.tar.gz
diff --git a/python-orjson.spec b/python-orjson.spec
index c48f102..6fe904a 100644
--- a/python-orjson.spec
+++ b/python-orjson.spec
@@ -10,7 +10,7 @@
 %bcond pendulum %{undefined el10}
 
 Name:           python-orjson
-Version:        3.10.16
+Version:        3.10.18
 Release:        %autorelease
 Summary:        Fast, correct Python JSON library
 
@@ -81,10 +81,6 @@ Provides:       bundled(crate(pyo3-ffi)) = 0.23.3
 %autosetup -p1 -n orjson-%{version}
 %cargo_prep
 
-# Remove unstable features that require rust nightly; the avx512 feature also
-# requires the x86_64 architecture
-tomcli-set Cargo.toml del 'features.unstable-simd'
-tomcli-set Cargo.toml del 'features.avx512'
 # Remove unwind feature, which is not useful here: the comment above it says
 # “Avoid bundling libgcc on musl.”
 tomcli-set Cargo.toml del 'features.unwind'
diff --git a/sources b/sources
index e553587..73cee52 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (orjson-3.10.16.tar.gz) = ea71aa463206feae1a96bb604366af2f17ddb083a1a4b7cc87c1b8ad1f01b54bd5c4ef148e9472fed8d8308de37b2a4e4fe0b4a4290d19eaf4fc3ae5777791f9
+SHA512 (orjson-3.10.18.tar.gz) = 248a42f671e713bf9d11163fe7744f5d9b626f5db681913071957723f48d77cc35aa883eb695a16df76986ecc8d9e9e493cee4431c47103beabc3517ffcaa65f