diff --git a/taskcluster/ci/toolchain/dump-syms.yml b/taskcluster/ci/toolchain/dump-syms.yml
index c4636c117a2d..4357d1eac843 100644
--- a/taskcluster/ci/toolchain/dump-syms.yml
+++ b/taskcluster/ci/toolchain/dump-syms.yml
@@ -41,9 +41,23 @@ macosx64-dump-syms:
             - linux64-clang-11
             - linux64-cctools-port-clang-11
             - linux64-llvm-dsymutil
-            - linux64-binutils
             - macosx64-sdk-10.12
 
+macosx64-aarch64-dump-syms:
+    treeherder:
+        symbol: TM(dump_syms-arm64)
+    worker-type: b-linux
+    run:
+        arguments: ['aarch64-apple-darwin']
+        toolchain-artifact: public/build/dump_syms.tar.xz
+    fetches:
+        toolchain:
+            - linux64-rust-macos-1.49
+            - linux64-clang-11
+            - linux64-cctools-port-clang-11
+            - linux64-llvm-dsymutil
+            - macosx64-sdk-11.0
+
 win64-dump-syms:
     treeherder:
         symbol: TW64(dump_syms)
diff --git a/taskcluster/scripts/misc/build-dump-syms.sh b/taskcluster/scripts/misc/build-dump-syms.sh
index 7b3f77803c75..f2e710721e4b 100755
--- a/taskcluster/scripts/misc/build-dump-syms.sh
+++ b/taskcluster/scripts/misc/build-dump-syms.sh
@@ -30,15 +30,20 @@ cd $MOZ_FETCHES_DIR/$PROJECT
 
 case "$(uname -s)" in
 Linux)
-    if [ "$TARGET" == "x86_64-apple-darwin" ]; then
+    case "$TARGET" in
+    *-apple-darwin)
         export PATH="$MOZ_FETCHES_DIR/llvm-dsymutil/bin:$PATH"
         export PATH="$MOZ_FETCHES_DIR/cctools/bin:$PATH"
         export RUSTFLAGS="-C linker=$GECKO_PATH/taskcluster/scripts/misc/osx-cross-linker"
         export CC="$MOZ_FETCHES_DIR/clang/bin/clang"
-        export TARGET_CC="$MOZ_FETCHES_DIR/clang/bin/clang -isysroot $MOZ_FETCHES_DIR/MacOSX10.12.sdk"
-        export TARGET_CXX="$MOZ_FETCHES_DIR/clang/bin/clang++ -isysroot $MOZ_FETCHES_DIR/MacOSX10.12.sdk -stdlib=libc++"
+        if test "$TARGET" = "aarch64-apple-darwin"; then
+            export SDK_VER=11.0
+        fi
+        export TARGET_CC="$MOZ_FETCHES_DIR/clang/bin/clang -isysroot $MOZ_FETCHES_DIR/MacOSX${SDK_VER:-10.12}.sdk"
+        export TARGET_CXX="$MOZ_FETCHES_DIR/clang/bin/clang++ -isysroot $MOZ_FETCHES_DIR/MacOSX${SDK_VER:-10.12}.sdk -stdlib=libc++"
         cargo build --verbose --release --target $TARGET
-    else
+        ;;
+    *)
         export RUSTFLAGS="-Clinker=clang++ -C link-arg=--sysroot=$MOZ_FETCHES_DIR/sysroot"
         export CC=clang
         export CXX=clang++
@@ -46,7 +51,8 @@ Linux)
         export CXXFLAGS="-D_GLIBCXX_USE_CXX11_ABI=0 --sysroot=$MOZ_FETCHES_DIR/sysroot"
         export PATH="$MOZ_FETCHES_DIR/clang/bin:$MOZ_FETCHES_DIR/binutils/bin:$PATH"
         cargo build --verbose --release --features "vendored-openssl"
-    fi
+        ;;
+    esac
     ;;
 MINGW*)
     cargo build --verbose --release