diff --git a/misc-scripts/external_db/external_dbs.txt b/misc-scripts/external_db/external_dbs.txt
index a661f03e0d1beec441f03fa6c2b10c14c5557781..c0833832a3d94868c4e88698eda78e8f2083013e 100644
--- a/misc-scripts/external_db/external_dbs.txt
+++ b/misc-scripts/external_db/external_dbs.txt
@@ -71,3 +71,5 @@
 3108	AFFY_HG_U95C	1	XREF
 3109	AFFY_HG_U95D	1	XREF
 3110	AFFY_HG_U95E	1	XREF
+3111	AFFY_HG_U133_PLUS_2	1	XREF
+3112	AFFY_HG_U133A_2		1	XREF