diff --git a/experimenter/tests/firefox_fennec_release_build.env b/experimenter/tests/firefox_fennec_release_build.env
index 3e3bf79cd2..f1211cfff5 100644
--- a/experimenter/tests/firefox_fennec_release_build.env
+++ b/experimenter/tests/firefox_fennec_release_build.env
@@ -1,3 +1,3 @@
-FIREFOX_FENNEC_RELEASE_VERSION_ID="Firefox v148.0"
-BRANCH="beacfdda9beb2af76455521594ebfe2fb5b53824"
+FIREFOX_FENNEC_RELEASE_VERSION_ID="Firefox v148.1"
+BRANCH="981a01118303b8707b432e1d73040e8fd1c9cf8a"
 # Firefox version is "148.0"