diff --git a/.travis.yml b/.travis.yml
index 66cfb8bd3b..81e26fed7c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,8 +10,8 @@ env:
     global:
         secure: "NxvkbZ7/Op7BTGQRR3C4q8lLoO29f8WtyNN27NSH7AO3H0vBr1Vp5xO8gn+H2qHEug5HvM+YrZ/xAkNXaZVbOInmBmKVMxqVvdpKp9JM1Amf+gzsXWQphfySvs6iqzyP6cwU/jspdvX/WSakgU5v7PWXxtUIaKxdANt6Rw7W+Pc="
     matrix:
-        - FX_VERSION="54.0b"
-        - FX_VERSION="45.0.2esr"
+        - FX_VERSION="54.0"
+        - FX_VERSION="52.0.3"
 matrix:
     fast_finish: true
     #allow_failures:
@@ -19,11 +19,11 @@ matrix:
 notifications:
     email: false
 install:
-    - if [ $FX_VERSION = "45.0.2esr" ]; then
-        wget -O tarball "https://archive.mozilla.org/pub/firefox/releases/45.0.2esr/linux-x86_64/en-US/firefox-45.0.2esr.tar.bz2";
+    - if [ $FX_VERSION = "52.0.3" ]; then
+        wget -O tarball "https://archive.mozilla.org/pub/firefox/tinderbox-builds/mozilla-release-linux64-add-on-devel/1491732920/firefox-52.0.3.en-US.linux-x86_64-add-on-devel.tar.bz2";
       fi
-    - if [ $FX_VERSION = "54.0b" ]; then
-        wget -O tarball "https://archive.mozilla.org/pub/firefox/tinderbox-builds/mozilla-beta-linux64-add-on-devel/1496339244/firefox-54.0.en-US.linux-x86_64-add-on-devel.tar.bz2";
+    - if [ $FX_VERSION = "54.0" ]; then
+        wget -O tarball "https://archive.mozilla.org/pub/firefox/tinderbox-builds/mozilla-release-linux64-add-on-devel/1496944705/firefox-54.0.en-US.linux-x86_64-add-on-devel.tar.bz2";
       fi
     - tar xf tarball
 before_script:
@@ -31,7 +31,7 @@ before_script:
     - sh -e /etc/init.d/xvfb start
     - npm i
     - npm run build
-    - if [ $FX_VERSION = "54.0b" ] &&
+    - if [ $FX_VERSION = "54.0" ] &&
          [ $TRAVIS_REPO_SLUG = "zotero/zotero" ] &&
          [ $TRAVIS_BRANCH = "master" ] &&
          [ $TRAVIS_PULL_REQUEST = "false" ]; then