diff --git a/submodules/externals/antlr3 b/submodules/externals/antlr3
index 52075ffb3..641dd78d7 160000
--- a/submodules/externals/antlr3
+++ b/submodules/externals/antlr3
@@ -1 +1 @@
-Subproject commit 52075ffb35975c6901e924b4a763b6fb23abd623
+Subproject commit 641dd78d750bfc38fe4e4f8cf638fb08f7966b3c