diff --git a/application/palemoon/branding/shared/branding.mozbuild b/application/palemoon/branding/shared/branding.mozbuild
index e253620d27..70da54d2b3 100644
--- a/application/palemoon/branding/shared/branding.mozbuild
+++ b/application/palemoon/branding/shared/branding.mozbuild
@@ -47,4 +47,4 @@ def ApplicationBranding():
     DEFINES['MOZ_APP_VERSION'] = CONFIG['MOZ_APP_VERSION']
     DEFINES['MOZ_BRANDING_DIRECTORY'] = CONFIG['MOZ_BRANDING_DIRECTORY']
     DEFINES['MOZILLA_UAVERSION_U'] = CONFIG['MOZILLA_UAVERSION_U']
-    DEFINES['MOZILLA_COMPATVERSION_U'] = "52.9"
+    DEFINES['MOZILLA_COMPATVERSION_U'] = "102.0"