diff --git a/targets/os/mbedos/Makefile.travis b/targets/os/mbedos/Makefile.travis
index b3a02d1c9d..b844a35925 100644
--- a/targets/os/mbedos/Makefile.travis
+++ b/targets/os/mbedos/Makefile.travis
@@ -26,8 +26,9 @@ install-mbedos:
 
 # Deploy Mbed and install Mbed Python dependencies.
 install-mbedos-deps:
-	pip install mbed-cli
-	pip install -r ../mbed-os/requirements.txt
+	pip3 install --upgrade pip
+	pip3 install mbed-cli
+	pip3 install -r ../mbed-os/requirements.txt
 
 install: install-mbedos install-mbedos-deps