diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index fd4dbb1..410656e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -37,6 +37,8 @@ jobs:
             platform: Win32
           - arch: x64
             platform: x64
+          - arch: arm64
+            platform: arm64
     steps:
       - name: Check out files
         uses: actions/checkout@main
diff --git a/deps/libtomcrypt b/deps/libtomcrypt
index a68fa19..a3cc5bf 160000
--- a/deps/libtomcrypt
+++ b/deps/libtomcrypt
@@ -1 +1 @@
-Subproject commit a68fa19bc2b532f66a6f18ca457daec53054a312
+Subproject commit a3cc5bf62341b7269ace805fa227b701ddae4165