diff --git a/ci/install-dependencies.sh b/ci/install-dependencies.sh
index cd59855d73..497fd32ca8 100755
--- a/ci/install-dependencies.sh
+++ b/ci/install-dependencies.sh
@@ -40,11 +40,11 @@ osx-clang|osx-gcc)
 	test -z "$BREW_INSTALL_PACKAGES" ||
 	brew install $BREW_INSTALL_PACKAGES
 	brew link --force gettext
-	brew cask install perforce || {
+	brew cask install --no-quarantine perforce || {
 		# Update the definitions and try again
 		cask_repo="$(brew --repository)"/Library/Taps/homebrew/homebrew-cask &&
 		git -C "$cask_repo" pull --no-stat &&
-		brew cask install perforce
+		brew cask install --no-quarantine perforce
 	} ||
 	brew install caskroom/cask/perforce
 	case "$jobname" in