diff --git a/experimenter/tests/firefox_desktop_release_build.env b/experimenter/tests/firefox_desktop_release_build.env
index 746e5b5ea..533f8698d 100644
--- a/experimenter/tests/firefox_desktop_release_build.env
+++ b/experimenter/tests/firefox_desktop_release_build.env
@@ -1 +1 @@
-FIREFOX_DESKTOP_RELEASE_VERSION_ID="155.0"
+FIREFOX_DESKTOP_RELEASE_VERSION_ID="155.0.1"