diff --git a/dev-java/antlr-tool/antlr-tool-4.13.2.ebuild b/dev-java/antlr-tool/antlr-tool-4.13.2-r1.ebuild
similarity index 99%
rename from dev-java/antlr-tool/antlr-tool-4.13.2.ebuild
rename to dev-java/antlr-tool/antlr-tool-4.13.2-r1.ebuild
index a6e46d5f74552..99b51502ade03 100644
--- a/dev-java/antlr-tool/antlr-tool-4.13.2.ebuild
+++ b/dev-java/antlr-tool/antlr-tool-4.13.2-r1.ebuild
@@ -32,7 +32,7 @@ KEYWORDS="amd64 arm64 ppc64 ~amd64-linux ~x86-linux ~x64-macos ~x64-solaris"
 CP_DEPEND="
 	~dev-java/antlr-runtime-${PV}:${SLOT}
 	dev-java/antlr-runtime:3.5
-	>=dev-java/icu4j-77.1:0
+	~dev-java/icu4j-77.1:0
 	dev-java/stringtemplate:4
 	dev-java/treelayout:0
 "