diff --git a/.gitattributes b/.gitattributes
index 98fd645ea4..bc3a84989c 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -580,6 +580,7 @@ icu4j/tools/build/icu4j42.api.gz -text
 icu4j/tools/build/icu4j421.api.gz -text
 icu4j/tools/build/icu4j44.api.gz -text
 icu4j/tools/build/icu4j44.api2.gz -text
+icu4j/tools/build/icu4j46.api2.gz -text
 icu4j/tools/build/manifest.stub -text
 icu4j/tools/misc/.settings/org.eclipse.core.resources.prefs -text
 icu4j/tools/misc/manifest.stub -text
diff --git a/icu4j/build.properties b/icu4j/build.properties
index fde3f0fa24..7d76f3194a 100644
--- a/icu4j/build.properties
+++ b/icu4j/build.properties
@@ -2,7 +2,7 @@
 #* Copyright (C) 2009-2010, International Business Machines Corporation and    *
 #* others. All Rights Reserved.                                                *
 #*******************************************************************************
-api.report.version = 47
+api.report.version = 471
 api.report.prev.version = 46
 release.file.ver = 4_7_1
 
diff --git a/icu4j/tools/build/icu4j46.api2.gz b/icu4j/tools/build/icu4j46.api2.gz
new file mode 100644
index 0000000000..2e49020e23
--- /dev/null
+++ b/icu4j/tools/build/icu4j46.api2.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ff116d85ce08fa4d080898ea2f8c4fa7fab06f1dab745dba5c76d8509f9ee7bb
+size 39962