diff --git a/win/build-deps.cmd b/win/build-deps.cmd
index 7ec7fe385a..3974e3c8c2 100644
--- a/win/build-deps.cmd
+++ b/win/build-deps.cmd
@@ -401,7 +401,7 @@ IF EXIST "%DEPS_DIR%\swigwin\". robocopy "%DEPS_DIR%\swigwin" "%INSTALL_DIR%\swi
 :mpir
 set DEPENDENCY_NAME=mpir
 set DEPENDENCY_DIR=%DEPS_DIR%\mpir
-call :GitCloneAndCheckoutRevision https://github.com/BrianGladman/mpir.git "%DEPENDENCY_DIR%"
+call :GitCloneAndCheckoutRevision https://github.com/aothms/mpir.git "%DEPENDENCY_DIR%"
 IF NOT %ERRORLEVEL%==0 GOTO :Error
 cd "%DEPENDENCY_DIR%"
 git reset --hard
@@ -423,7 +423,7 @@ IF NOT %ERRORLEVEL%==0 GOTO :Error
 :mpfr
 set DEPENDENCY_NAME=mpfr
 set DEPENDENCY_DIR=%DEPS_DIR%\mpfr
-call :GitCloneAndCheckoutRevision https://github.com/BrianGladman/mpfr.git "%DEPENDENCY_DIR%" 2ebbe10fd029a480cf6e8a64c493afa9f3654251
+call :GitCloneAndCheckoutRevision https://github.com/aothms/mpfr.git "%DEPENDENCY_DIR%" 2ebbe10fd029a480cf6e8a64c493afa9f3654251
 IF NOT %ERRORLEVEL%==0 GOTO :Error
 cd "%DEPENDENCY_DIR%"
 git reset --hard