diff --git a/.travis.yml b/.travis.yml
index 0621969..95638c8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -54,7 +54,7 @@ addons:
       - doxygen
 
 install:
-  - pip install -r docs/requirements.txt
+  - pip3 install -r docs/requirements.txt
   - chmod +x .ci-files/install_conan.sh .ci-files/install_cmake.sh
   - ./.ci-files/install_conan.sh
   - ./.ci-files/install_cmake.sh