Index: appveyor.yml
===================================================================
diff -u -r0dac34405fab8b57d9fbf100effaabd2d1297dee -r1d6dbca6aadf88fc14ee6be97a0d6e89cb28bd5a
--- appveyor.yml	(.../appveyor.yml)	(revision 0dac34405fab8b57d9fbf100effaabd2d1297dee)
+++ appveyor.yml	(.../appveyor.yml)	(revision 1d6dbca6aadf88fc14ee6be97a0d6e89cb28bd5a)
@@ -3,6 +3,8 @@
 image: Visual Studio 2017
 
 environment:
+  my_secret:
+    secure: ngfIQmr9kcRyopeRyHZG8g==
   MINGW_DIR: mingw64
   MINGW_URL: https://sourceforge.net/projects/mingw-w64/files/Toolchains%20targetting%20Win64/Personal%20Builds/mingw-builds/8.1.0/threads-win32/seh/x86_64-8.1.0-release-win32-seh-rt_v6-rev0.7z
   MINGW_ARCHIVE: x86_64-8.1.0-release-win32-seh-rt_v6-rev0.7z
@@ -34,6 +36,7 @@
   fast_finish: true
 
 install:
+    - cmd: appveyor-tools\secure-file -decrypt deploy_key.appveyor.enc -out deploy_key -secret %my_secret%
   # - if not exist "%MINGW_ARCHIVE%" appveyor DownloadFile "%MINGW_URL%" -FileName "%MINGW_ARCHIVE%"
   # - 7z x -y "%MINGW_ARCHIVE%" > nul
   - if not exist "%TCLKIT%" appveyor DownloadFile "%TCLKIT_URL%" -FileName "%TCLKIT%"