diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ebb6d31..0649916 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,9 +19,9 @@ jobs:
           - os: ubuntu-latest 
             arch: amd64
             compiler: ldc-master
-          # - os: ubuntu-24.04-arm 
-          #   arch: arm64
-          #   compiler: ldc-master
+          - os: ubuntu-24.04-arm 
+            arch: arm64
+            compiler: ldc-master
           - os: macos-latest
             arch: arm64
             compiler: dmd-latest
diff --git a/dub.json b/dub.json
index 5b481bb..a9320aa 100644
--- a/dub.json
+++ b/dub.json
@@ -52,7 +52,8 @@
 		"-P-I$PACKAGE_DIR/include"
 	],
 	"dflags-ldc": [
-		"--verrors-context"
+		"--verrors-context",
+		"-mcpu=native"
 	],
 	"dflags-dmd": [
 		"-verrors=context"
@@ -62,7 +63,7 @@
 		"curl -sLO https://raw.githubusercontent.com/jedisct1/ipcrypt2/refs/heads/main/src/ipcrypt2.c",
 		"curl -sLO https://raw.githubusercontent.com/jedisct1/ipcrypt2/refs/heads/main/src/include/ipcrypt2.h",
 		"mv ipcrypt2.h $PACKAGE_DIR/include/",
-		"gcc -std=c99 -O3 -fPIC -I$PACKAGE_DIR/include -c -o $PACKAGE_DIR/build/ipcrypt2.o $PACKAGE_DIR/ipcrypt2.c",
+		"gcc -march=native -flax-vector-conversions -std=c99 -O3 -fPIE -I$PACKAGE_DIR/include -c -o $PACKAGE_DIR/build/ipcrypt2.o $PACKAGE_DIR/ipcrypt2.c",
 		"ar rcs $PACKAGE_DIR/build/libipcrypt2.a $PACKAGE_DIR/build/ipcrypt2.o",
 		"rm $PACKAGE_DIR/build/ipcrypt2.o $PACKAGE_DIR/ipcrypt2.c"
 	],
@@ -71,7 +72,7 @@
 		"curl -sLO https://raw.githubusercontent.com/jedisct1/ipcrypt2/refs/heads/main/src/ipcrypt2.c",
 		"curl -sLO https://raw.githubusercontent.com/jedisct1/ipcrypt2/refs/heads/main/src/include/ipcrypt2.h",
 		"mv ipcrypt2.h $PACKAGE_DIR/include/",
-		"clang -std=c99 -O3 -fPIC -I$PACKAGE_DIR/include -c -o $PACKAGE_DIR/build/ipcrypt2.o $PACKAGE_DIR/ipcrypt2.c",
+		"clang -mcpu=native -std=c99 -O3 -fPIE -I$PACKAGE_DIR/include -c -o $PACKAGE_DIR/build/ipcrypt2.o $PACKAGE_DIR/ipcrypt2.c",
 		"ar rcs $PACKAGE_DIR/build/libipcrypt2.a $PACKAGE_DIR/build/ipcrypt2.o",
 		"rm $PACKAGE_DIR/build/ipcrypt2.o $PACKAGE_DIR/ipcrypt2.c"
 	],