diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 69ea2e1..fdb6f9e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -63,6 +63,7 @@ jobs:
       shell: bash
       run: |
         echo "CGO_CFLAGS=-IC:\msys64\ucrt64\include" >> "$GITHUB_ENV"
+        echo "CGO_LDFLAGS=-LC:\msys64\ucrt64\lib" >> "$GITHUB_ENV"
     - name: set macos cgo flags
       if: runner.os == 'macos'
       run: |
@@ -99,6 +100,7 @@ jobs:
       shell: bash
       run: |
         echo "CGO_CFLAGS=-IC:\msys64\ucrt64\include" >> "$GITHUB_ENV"
+        echo "CGO_LDFLAGS=-LC:\msys64\ucrt64\lib" >> "$GITHUB_ENV"
     - name: Install Libsodium on Windows
       if: runner.os == 'Windows'
       # this is a dependency of the ruby rbnacl library