diff --git a/CI/before_install.osx.sh b/CI/before_install.osx.sh
index 941c10a02..49af86a3e 100755
--- a/CI/before_install.osx.sh
+++ b/CI/before_install.osx.sh
@@ -7,5 +7,5 @@ brew rm pkgconfig || true
 brew rm qt5 || true
 brew install cmake pkgconfig $macos_qt_formula
 
-curl http://downloads.openmw.org/osx/dependencies/openmw-deps-0ecece4.zip -o ~/openmw-deps.zip
+curl https://downloads.openmw.org/osx/dependencies/openmw-deps-0ecece4.zip -o ~/openmw-deps.zip
 unzip ~/openmw-deps.zip -d /private/tmp/openmw-deps > /dev/null