diff --git a/mail-client/thunderbird/thunderbird-78.3.1.ebuild b/mail-client/thunderbird/thunderbird-78.3.1.ebuild
index 58b9a17b8292e..9590a37ffb397 100644
--- a/mail-client/thunderbird/thunderbird-78.3.1.ebuild
+++ b/mail-client/thunderbird/thunderbird-78.3.1.ebuild
@@ -61,7 +61,7 @@ BDEPEND="${PYTHON_DEPS}
 	>=dev-util/cbindgen-0.14.3
 	>=net-libs/nodejs-10.19.0
 	virtual/pkgconfig
-	>=virtual/rust-1.43.0
+	>=virtual/rust-1.41.0
 	|| (
 		(
 			sys-devel/clang:11