diff --git a/.github/workflows/win64.yml b/.github/workflows/win64.yml
index 94d178a2..6d4fb053 100644
--- a/.github/workflows/win64.yml
+++ b/.github/workflows/win64.yml
@@ -1,4 +1,4 @@
-name: Testbuild for Win64
+name: Testbuild for Win64 (SDL3)
 run-name: testbuild_win64
 on:
   push:
@@ -44,8 +44,8 @@ jobs:
       shell: msys2 {0}
       run: |
         sed -i 's|WITH_SDL3:=no|WITH_SDL3:=yes|g' Makefile
-        # Public runners come with 2 CPUs.
-        make -j2
+        # Public runners come with 4 CPUs.
+        make -j4
     - name: Create testbuild package
       shell: msys2 {0}
       run: |