diff --git a/testing/firefox/checksums b/testing/firefox/checksums
index 86996a01..788e104b 100644
--- a/testing/firefox/checksums
+++ b/testing/firefox/checksums
@@ -1,4 +1,4 @@
-e8066f4967cd78f78e6e71d29af5aa9fedeb2320ef8608a91008e4cf6e6b34c8  firefox-72.0b9.source.tar.xz
+9e4d6d1bc07cca420df1d6f9e06419c24e895b9e93f9846ab99e96a6fac4e2e3  firefox-72.0b10.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 7c48aca6..68894596 100644
--- a/testing/firefox/sources
+++ b/testing/firefox/sources
@@ -1,4 +1,4 @@
-https://archive.mozilla.org/pub/firefox/releases/72.0b9/source/firefox-72.0b9.source.tar.xz
+https://archive.mozilla.org/pub/firefox/releases/72.0b10/source/firefox-72.0b10.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 31ce66d9..92815e90 100644
--- a/testing/firefox/version
+++ b/testing/firefox/version
@@ -1 +1 @@
-72.0b9 1
+72.0b10 1