diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3d6e8f7..40f9b78 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,6 +20,11 @@
 
 * Add support for reporting peer client information
 
+#### Changed
+
+* Compiling with SIMD extensions enabled is no longer required, due to the
+  addition of runtime detection to simd-json
+
 ## 0.8.0 - 2023-03-17
 
 ### General
diff --git a/Cargo.lock b/Cargo.lock
index bd2a63c..3240b92 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2437,9 +2437,9 @@ dependencies = [
 
 [[package]]
 name = "simd-json"
-version = "0.10.7"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "80ea1dfc2c400965867fc4ddd6f502572be2de2074b39f90984ed15fbdbdd8eb"
+checksum = "f0f07a84c7456b901b8dd2c1d44caca8b0fd2c2616206ee5acc9d9da61e8d9ec"
 dependencies = [
  "getrandom",
  "halfbrown",
diff --git a/README.md b/README.md
index 9ac91ff..ed367bb 100644
--- a/README.md
+++ b/README.md
@@ -42,11 +42,10 @@ Known users:
 - Build the implementations that you are interested in:
 
 ```sh
-# Tell Rust to enable support for all SIMD extensions present on current CPU
-# except for those relating to AVX-512. SIMD is required for aquatic_ws and
-# recommended for the other implementations. If you run a processor that
-# doesn't clock down when using AVX-512, you can enable those instructions
-# too.
+# Recommended: tell Rust to enable support for all SIMD extensions present on
+# current CPU except for those relating to AVX-512. (If you run a processor
+# that doesn't clock down when using AVX-512, you can enable those instructions
+# too.)
 . ./scripts/env-native-cpu-without-avx-512
 
 cargo build --release -p aquatic_udp
diff --git a/aquatic_ws_load_test/src/network.rs b/aquatic_ws_load_test/src/network.rs
index b8b4c8d..e6ef638 100644
--- a/aquatic_ws_load_test/src/network.rs
+++ b/aquatic_ws_load_test/src/network.rs
@@ -148,7 +148,6 @@ impl Connection {
                 };
 
                 self.stream.send(request.to_ws_message()).await?;
-                self.stream.flush().await?;
 
                 self.load_test_state
                     .statistics
diff --git a/aquatic_ws_protocol/Cargo.toml b/aquatic_ws_protocol/Cargo.toml
index 9a44235..54053a0 100644
--- a/aquatic_ws_protocol/Cargo.toml
+++ b/aquatic_ws_protocol/Cargo.toml
@@ -24,7 +24,7 @@ anyhow = "1"
 hashbrown = { version = "0.14", features = ["serde"] }
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
-simd-json = { version = "0.10", features = ["allow-non-simd"] }
+simd-json = "0.12"
 tungstenite = "0.20"
 
 [dev-dependencies]