diff --git a/.travis/build_wheels.sh b/.travis/build_wheels.sh
old mode 100755
new mode 100644
diff --git a/.travis/check_wheels.sh b/.travis/check_wheels.sh
old mode 100755
new mode 100644
diff --git a/.travis/install-linux.sh b/.travis/install-linux.sh
old mode 100755
new mode 100644
diff --git a/.travis/install-osx.sh b/.travis/install-osx.sh
old mode 100755
new mode 100644
diff --git a/.travis/install_docker.sh b/.travis/install_docker.sh
old mode 100755
new mode 100644