diff --git a/.github/workflows/build-dep-openssl.yml b/.github/workflows/build-dep-openssl.yml
index 26fc5dd4..29d095f5 100644
--- a/.github/workflows/build-dep-openssl.yml
+++ b/.github/workflows/build-dep-openssl.yml
@@ -14,6 +14,9 @@ jobs:
     - uses: actions/checkout@v3
     - uses: ilammy/msvc-dev-cmd@v1
 
+    - name: Install nasm
+      run: winget install -e --id NASM.NASM
+
     - name: Run build script
       working-directory: ${{ github.workspace }}/externals/prebuild_scripts/
       run: ./build_openssl_for_win64.bat