diff --git a/.travis.yml b/.travis.yml
index d498d0305..ae25a6895 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -90,24 +90,24 @@ matrix:
       before_install:
       addons:
       <<: *extended-test-suite
-    - python: "2.7"
+    - python: "3.7"
       env:
         - TOXENV=travis-test-farm-apache2
         - secure: "f+j/Lj9s1lcuKo5sEFrlRd1kIAMnIJI4z0MTI7QF8jl9Fkmbx7KECGzw31TNgzrOSzxSapHbcueFYvNCLKST+kE/8ogMZBbwqXfEDuKpyF6BY3uYoJn+wPVE5pIb8Hhe08xPte8TTDSMIyHI3EyTfcAKrIreauoArePvh/cRvSw="
       <<: *extended-test-suite
-    - python: "2.7"
+    - python: "3.7"
       env:
         - TOXENV=travis-test-farm-leauto-upgrades
         - secure: "f+j/Lj9s1lcuKo5sEFrlRd1kIAMnIJI4z0MTI7QF8jl9Fkmbx7KECGzw31TNgzrOSzxSapHbcueFYvNCLKST+kE/8ogMZBbwqXfEDuKpyF6BY3uYoJn+wPVE5pIb8Hhe08xPte8TTDSMIyHI3EyTfcAKrIreauoArePvh/cRvSw="
       git:
         depth: false  # This is needed to have the history to checkout old versions of certbot-auto.
       <<: *extended-test-suite
-    - python: "2.7"
+    - python: "3.7"
       env:
         - TOXENV=travis-test-farm-certonly-standalone
         - secure: "f+j/Lj9s1lcuKo5sEFrlRd1kIAMnIJI4z0MTI7QF8jl9Fkmbx7KECGzw31TNgzrOSzxSapHbcueFYvNCLKST+kE/8ogMZBbwqXfEDuKpyF6BY3uYoJn+wPVE5pIb8Hhe08xPte8TTDSMIyHI3EyTfcAKrIreauoArePvh/cRvSw="
       <<: *extended-test-suite
-    - python: "2.7"
+    - python: "3.7"
       env:
         - TOXENV=travis-test-farm-sdists
         - secure: "f+j/Lj9s1lcuKo5sEFrlRd1kIAMnIJI4z0MTI7QF8jl9Fkmbx7KECGzw31TNgzrOSzxSapHbcueFYvNCLKST+kE/8ogMZBbwqXfEDuKpyF6BY3uYoJn+wPVE5pIb8Hhe08xPte8TTDSMIyHI3EyTfcAKrIreauoArePvh/cRvSw="