diff --git a/vm-ubuntu-20.04/user-common-bootstrap.sh b/vm-ubuntu-20.04/user-common-bootstrap.sh
index e8cbd47..c347bba 100755
--- a/vm-ubuntu-20.04/user-common-bootstrap.sh
+++ b/vm-ubuntu-20.04/user-common-bootstrap.sh
@@ -4,7 +4,7 @@
 set -xe
 
 # --- Mininet --- #
-git clone git://github.com/mininet/mininet mininet
+git clone https://github.com/mininet/mininet mininet
 cd mininet
 PATCH_DIR="${HOME}/patches"
 patch -p1 < "${PATCH_DIR}/mininet-dont-install-python2.patch" || echo "Errors while attempting to patch mininet, but continuing anyway ..."
diff --git a/vm-ubuntu-20.04/user-dev-bootstrap.sh b/vm-ubuntu-20.04/user-dev-bootstrap.sh
index 3378a80..8543743 100755
--- a/vm-ubuntu-20.04/user-dev-bootstrap.sh
+++ b/vm-ubuntu-20.04/user-dev-bootstrap.sh
@@ -213,10 +213,10 @@ cd ../..
 find /usr/lib /usr/local $HOME/.local | sort > $HOME/usr-local-6-after-p4c.txt
 
 # --- PTF --- #
-git clone git://github.com/p4lang/ptf
+git clone https://github.com/p4lang/ptf
 cd ptf
 git checkout ${PTF_COMMIT}
 sudo python3 setup.py install
 cd ..
 
-find /usr/lib /usr/local $HOME/.local | sort > $HOME/usr-local-8-after-ptf-install.txt
\ No newline at end of file
+find /usr/lib /usr/local $HOME/.local | sort > $HOME/usr-local-8-after-ptf-install.txt