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-rw-r--r--.appveyor.yml2
1 files changed, 1 insertions, 1 deletions
diff --git a/.appveyor.yml b/.appveyor.yml
index 12bad2c4..5d5dc2a4 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -41,7 +41,7 @@ cache:
#- 'c:\projects\download -> appveyor.yml'
# Operating system (build VM template)
-os: 'Visual Studio 2017'
+os: 'Visual Studio 2019'
# clone directory
clone_folder: 'c:\projects\libtiff'