diff --git a/.gitattributes b/.gitattributes
index b5caeb1d65e..e15a03e1d34 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -531,6 +531,7 @@ icu4j/tools/build/icu4j48.api2.gz -text
 icu4j/tools/build/icu4j49.api2.gz -text
 icu4j/tools/build/icu4j50.api2.gz -text
 icu4j/tools/build/icu4j51.api2.gz -text
+icu4j/tools/build/icu4j52.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/tools/build/icu4j52.api2.gz b/icu4j/tools/build/icu4j52.api2.gz
new file mode 100644
index 00000000000..1b391b79a3a
--- /dev/null
+++ b/icu4j/tools/build/icu4j52.api2.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8e5d77dd10547e6cc26ea345b5e816c809068d70e4397470c8a5bf92f5997d89
+size 47776