diff --git a/.travis.yml b/.travis.yml
index 8532f15b5..04e012bca 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -108,7 +108,7 @@ before_install:
       export CXX=g++-$GCC CC=gcc-$GCC
     fi
     if [ "$GCC" = "6" ]; then DOCKER=${ARCH:+$ARCH/}debian:stretch
-    elif [ "$GCC" = "7" ]; then DOCKER=debian:buster EXTRA_PACKAGES+=" catch" DOWNLOAD_CATCH=OFF
+    elif [ "$GCC" = "7" ]; then DOCKER=debian:buster EXTRA_PACKAGES+=" catch python3-distutils" DOWNLOAD_CATCH=OFF
     fi
   elif [ "$TRAVIS_OS_NAME" = "osx" ]; then
     export CXX=clang++ CC=clang;