diff --git a/testing/firefox/checksums b/testing/firefox/checksums
index 272db587..5c5331a1 100644
--- a/testing/firefox/checksums
+++ b/testing/firefox/checksums
@@ -1,4 +1,4 @@
-16a129a629217a9f7c8d8fae8d4d9cfc75294b0e55a9e6e00a4a1f63e3c22558  firefox-71.0b8.source.tar.xz
+e6ffec3c5cf2230625db828af9d9499a772f8c29d4a174750b74dea8bdd428b7  firefox-71.0b9.source.tar.xz
 f0611136bee505811e9ca11ca7ac188ef5323a8e2ef19cffd3edb3cf08fd791e  autoconf-2.13.tar.gz
 b5e70b12cc9dd18fffd7924a7d3a2e11574136fe0764359d08eba0755f1c5d4c  mozconfig
 960d82bbfdc88c95f5cb4f2e1c1bf23dae7519b3b7203914d7b3ddbff1ba4c28  stab.h
diff --git a/testing/firefox/sources b/testing/firefox/sources
index e3954462..357b8f4d 100644
--- a/testing/firefox/sources
+++ b/testing/firefox/sources
@@ -1,4 +1,4 @@
-https://ftp.mozilla.org/pub/firefox/releases/71.0b8/source/firefox-71.0b8.source.tar.xz
+https://ftp.mozilla.org/pub/firefox/releases/71.0b9/source/firefox-71.0b9.source.tar.xz
 https://ftp.gnu.org/gnu/autoconf/autoconf-2.13.tar.gz autoconf2.13/
 files/mozconfig
 files/stab.h toolkit/crashreporter/google-breakpad/src/
diff --git a/testing/firefox/version b/testing/firefox/version
index c0d37b63..80dfd679 100644
--- a/testing/firefox/version
+++ b/testing/firefox/version
@@ -1 +1 @@
-71.0b8 1
+71.0b9 1