diff --git a/testing/firefox/checksums b/testing/firefox/checksums
index a47a95c5..5283c0f1 100644
--- a/testing/firefox/checksums
+++ b/testing/firefox/checksums
@@ -1,4 +1,4 @@
-18900686e7f573e477c3143614090179290e62dff5f46fa20b4c735586ecf0fc0b
+39b5fb4226d50d4932056cb57a9a2055c63fa04e5d14719d1347f687db2c4a923d
 be44c4a1e76704bd9e0fa713f00b88e9897150eda359c3bf58c30461d9cf56e3c8
 000c6266530014235a7f1c56ae0b3c54eb617cb00abd3f068999d4b986e6b59274
 3bfec8b5e7cb94481d94e1039a602e14564c8a6da5a28f089ce4a69d23f9e42bbb
diff --git a/testing/firefox/version b/testing/firefox/version
index 9c56d42c..71c3d5fe 100644
--- a/testing/firefox/version
+++ b/testing/firefox/version
@@ -1 +1 @@
-108.0b4 1
+108.0b5 1