diff --git a/Dn_main_appveyor.yml b/Dn_main_appveyor.yml
index 4d13bebb..61a0e352 100644
--- a/Dn_main_appveyor.yml
+++ b/Dn_main_appveyor.yml
@@ -16,6 +16,17 @@ configuration:
 - ASAN-Release
 - ASAN-Debug
 shallow_clone: false
+cache:
+  - C:\RLibrary
+  - C:\Program Files (x86)\Pandoc\
+install:
+  - ps: >-
+      if (-Not (Test-Path "C:\Program Files (x86)\Pandoc\")) {
+        cinst pandoc
+      }
+  - ps: $env:Path += ";C:\Program Files (x86)\Pandoc\"
+  - pandoc -v
+  - git submodule update --init --recursive
 build:
   project: Dn-FamiTracker.sln
   parallel: true