diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b67b5ed8..ce3aaecb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -42,7 +42,7 @@ jobs:
         with:
           update: true
           install: >-
-            autotools git
+            autotools git patch
       - name: Prepare LibreSSL for Windows
         if: ${{ matrix.os == 'windows-latest' }}
         shell: msys2 {0}