diff --git a/appveyor.yml b/appveyor.yml
index eb4515a..340b58c 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -39,13 +39,13 @@ install:
   - 7z x -oC:\Boost\share docbook-xsl.zip
   - mkdir %APPVEYOR_BUILD_FOLDER%\bin
   - cd %APPVEYOR_BUILD_FOLDER%\bin
-  - appveyor-retry powershell Invoke-WebRequest ftp://ftp.zlatkovic.com/libxml/iconv-1.9.2.win32.zip -OutFile iconv.zip
+  - appveyor-retry powershell Invoke-WebRequest https://www.zlatkovic.com/pub/libxml/iconv-1.9.2.win32.zip -OutFile iconv.zip
   - 7z e iconv.zip iconv.dll -r
-  - appveyor-retry powershell Invoke-WebRequest ftp://ftp.zlatkovic.com/libxml/libxml2-2.7.8.win32.zip -OutFile libxml2.zip
+  - appveyor-retry powershell Invoke-WebRequest https://www.zlatkovic.com/pub/libxml/libxml2-2.7.8.win32.zip -OutFile libxml2.zip
   - 7z e libxml2.zip libxml2.dll -r
-  - appveyor-retry powershell Invoke-WebRequest ftp://ftp.zlatkovic.com/libxml/libxslt-1.1.26.win32.zip -OutFile libxslt.zip
+  - appveyor-retry powershell Invoke-WebRequest https://www.zlatkovic.com/pub/libxml/libxslt-1.1.26.win32.zip -OutFile libxslt.zip
   - 7z e libxslt.zip libexslt.dll libxslt.dll xsltproc.exe -r
-  - appveyor-retry powershell Invoke-WebRequest ftp://ftp.zlatkovic.com/libxml/zlib-1.2.5.win32.zip -OutFile zlib.zip
+  - appveyor-retry powershell Invoke-WebRequest https://www.zlatkovic.com/pub/libxml/zlib-1.2.5.win32.zip -OutFile zlib.zip
   - 7z e zlib.zip zlib1.dll -r
   - xsltproc -V