diff --git a/python/sdss_semaphore/targeting.py b/python/sdss_semaphore/targeting.py
index 6636446..f97b098 100644
--- a/python/sdss_semaphore/targeting.py
+++ b/python/sdss_semaphore/targeting.py
@@ -137,9 +137,9 @@ class TargetingFlags(BaseTargetingFlags):
     """Communicating with SDSS-V targeting flags."""
 
     dtype, n_bits = (np.uint8, 8)
-    MAPPING_BASENAME = "sdss5_target_1_with_groups.csv"
+    MAPPING_BASENAME = "sdss5_target_2_with_groups.csv"
 
     # TODO: Metadata about mapping version should be stored in the MAPPING_BASENAME file
     #       and be assigned as a cached class property once the file is loaded.
     
-    # TODO: Update this file once we have finalised the format and content.
\ No newline at end of file
+    # TODO: Update this file once we have finalised the format and content.