diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 426893be2af281..2c2982d1d45a75 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -16,3 +16,7 @@ updates:
     directory: '/yjit'
     schedule:
       interval: 'daily'
+  - package-ecosystem: 'vcpkg'
+    directory: '/'
+    schedule:
+      interval: 'daily'
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 0b7bf25d95ff0b..3e85f7a1c5ef78 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -86,7 +86,7 @@ jobs:
 
       - name: Restore vcpkg artifact
         id: restore-vcpkg
-        uses: actions/cache/restore@5a3ec84eff668545956fd18022155c47e93e2684 # v4.2.3
+        uses: actions/cache/restore@0400d5f644dc74513175e3cd8d07132dd4860809 # v4.2.4
         with:
           path: src\vcpkg_installed
           key: windows-${{ matrix.os }}-vcpkg-${{ hashFiles('src/vcpkg.json') }}
@@ -98,7 +98,7 @@ jobs:
         if: ${{ ! steps.restore-vcpkg.outputs.cache-hit }}
 
       - name: Save vcpkg artifact
-        uses: actions/cache/save@5a3ec84eff668545956fd18022155c47e93e2684 # v4.2.3
+        uses: actions/cache/save@0400d5f644dc74513175e3cd8d07132dd4860809 # v4.2.4
         with:
           path: src\vcpkg_installed
           key: windows-${{ matrix.os }}-vcpkg-${{ hashFiles('src/vcpkg.json') }}
diff --git a/tool/sync_default_gems.rb b/tool/sync_default_gems.rb
index 029a27c8292b79..cb4e0af50b0b3d 100755
--- a/tool/sync_default_gems.rb
+++ b/tool/sync_default_gems.rb
@@ -330,7 +330,7 @@ def sync_default_gems(gem)
       rm_rf("test/prism/snapshots")
 
       rm("prism/extconf.rb")
-      `git checkout prism/generate-srcs.mk.rb`
+      `git checkout prism/srcs.mk*`
     when "resolv"
       rm_rf(%w[lib/resolv.* ext/win32/resolv test/resolv ext/win32/lib/win32/resolv.rb])
       cp_r("#{upstream}/lib/resolv.rb", "lib")
diff --git a/win32/setup.mak b/win32/setup.mak
index 6af70d58300561..275ccda3bb6578 100644
--- a/win32/setup.mak
+++ b/win32/setup.mak
@@ -238,16 +238,6 @@ MACHINE = x86
 	@echo # ENCODING>>$(MAKEFILE)
 	@$(MAKE) -l -f $(srcdir)/win32/enc-setup.mak srcdir="$(srcdir)" MAKEFILE=$(MAKEFILE)
 
-!ifdef BASERUBY
-ruby = $(BASERUBY)
-!else ifndef ruby
-ruby = ruby
-!endif
-$(srcdir)/prism/srcs.mk:
-	$(ruby:/=\) $(srcdir)/prism/generate-srcs.mk.rb > $@
-
--epilogue-: $(srcdir)/prism/srcs.mk
-
 -epilogue-: nul
 	@type << >>$(MAKEFILE)