diff --git a/testing/firefox/checksums b/testing/firefox/checksums
index 1f5ba6a4..6276ecfb 100644
--- a/testing/firefox/checksums
+++ b/testing/firefox/checksums
@@ -1,4 +1,4 @@
-a82a624042010d312d8987da83dd4ed6e74aa354cf7d448a7cab15af466be8c8
+a63086c8d11ff5cb15e3870dfad628f0d6bf93271f04204c099a8dd1f100fc1c
 86ce49e650dd117f0f2928a7f810a58df526b1087c274d35eeb9c5bbf09eac5b
 3dca92562f352f1aa448830af7f7396df5ed472f4295e549e8181bbc61d15341
 42d489e60eae7d2807ef109a4eb1dd3d0e52e8ea9a8a19074495453e588f0625
diff --git a/testing/firefox/version b/testing/firefox/version
index 45f605c4..9c56d42c 100644
--- a/testing/firefox/version
+++ b/testing/firefox/version
@@ -1 +1 @@
-108.0b3 1
+108.0b4 1