diff --git a/testing/firefox/checksums b/testing/firefox/checksums
index 095ae475..2d321b66 100644
--- a/testing/firefox/checksums
+++ b/testing/firefox/checksums
@@ -1,4 +1,4 @@
-2ab6430d8a7a612a970a2102449fe13def5a57b596740c71f3fa1f0275361316
+8a747933454a93bb4de9cea3c1c46520195ffcb9f06e1171e3ed88bec31a3149
 86ce49e650dd117f0f2928a7f810a58df526b1087c274d35eeb9c5bbf09eac5b
 42d489e60eae7d2807ef109a4eb1dd3d0e52e8ea9a8a19074495453e588f0625
 4a232e3aa3973894a58c126b9e901c924d4e1ca3e00c4fc82d08de4b880183a9
diff --git a/testing/firefox/version b/testing/firefox/version
index 523f85f4..a55d334a 100644
--- a/testing/firefox/version
+++ b/testing/firefox/version
@@ -1 +1 @@
-107.0b4 1
+107.0b5 1