diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index f48e895..6af2944 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -9,7 +9,7 @@ on:
 env:
   CARGO_TERM_COLOR: always
 
-jobs:            
+jobs:
   build:
     strategy:
       matrix:
@@ -18,6 +18,16 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
+    - name: Set OPENSSL_DIR for Windows
+      if: startsWith(matrix.os, 'windows')
+      run: |
+        DIR C:\
+        DIR "C:\Program Files"
+        DIR "C:\Program Files\OpenSSL-Win64"
+        DIR "C:\vcpkg"
+        DIR "C:\vcpkg\packages"
+        DIR "C:\vcpkg\packages\openssl_x64-windows"
+        echo "OPENSSL_DIR=C:\Program Files\OpenSSL-Win64" >> $env:GITHUB_ENV
     - name: Build
       run: cargo build --verbose
     - name: Run tests