diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0d8d4ff2f..39d11e851 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,7 +31,7 @@ concurrency:
 
 env:
   CARGO_TERM_COLOR: always
-  RUSTFLAGS: "-C target-feature=+aes,+vaes,+avx2"
+  RUSTFLAGS: "-C target-feature=+aes,+vaes,+avx2,+mmx,+sse4.2,+sse4a,ssse3,+bmi2,+fma,+rdrand,+sha,+adx,+f16c"
 
 jobs:
   lint:
diff --git a/build/build-image/Dockerfile b/build/build-image/Dockerfile
index 5f00d6e09..ceffd80bd 100644
--- a/build/build-image/Dockerfile
+++ b/build/build-image/Dockerfile
@@ -20,7 +20,7 @@ ENV RUSTUP_HOME=/usr/local/rustup \
     CARGO_HOME=/usr/local/cargo \
     PATH=/usr/local/cargo/bin:$PATH \
     CARGO_TERM_COLOR=always \
-    RUSTFLAGS="-C target-feature=+aes,+vaes,+avx2" \
+    RUSTFLAGS="-C target-feature=+aes,+vaes,+avx2,+mmx,+sse4.2,+sse4a,ssse3,+bmi2,+fma" \
     LC_ALL=C.UTF-8 \
     LANG=C.UTF-8