diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index af05a2239..df172fa2a 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -45,7 +45,15 @@ jobs:
           gsed -E "/^\s*get_theos\s*$/,+1 s/^(\s*)(get_sdks)\s*$/\1mkdir -p \${THEOS}\/sdks\n\1touch \${THEOS}\/sdks\/sdk\n\1\2/g" -i install-theos.sh
           bash install-theos.sh
           cd $BASEDIR
-     
+
+      - name: Install SDK
+        run: |
+          set -x
+          curl -L https://github.com/theos/sdks/releases/latest/download/iPhoneOS16.5.sdk.tar.xz --output $(THEOS)/sdks
+          gunzip $(THEOS)/sdks/iPhoneOS16.5.sdk.tar.xz
+          tar -xf $(THEOS)/sdks/iPhoneOS16.5.sdk.tar -C $(THEOS)/sdks
+          rm $(THEOS)/sdks/iPhoneOS16.5.sdk.tar
+
       - name: Build and Install trustcache
         run: |
           set -x