diff --git a/sys-libs/readline/readline-8.1.recipe b/sys-libs/readline/readline-8.1.recipe
index 92a9175e9..9a9430be1 100644
--- a/sys-libs/readline/readline-8.1.recipe
+++ b/sys-libs/readline/readline-8.1.recipe
@@ -18,7 +18,7 @@ CHECKSUM_SHA256="f8ceb4ee131e3232226a17f51b164afc46cd0b9e6cef344be87c65962cb82b0
 SOURCE_DIR="readline-8.1"
 PATCHES="readline-$portVersion.patchset"
 
-ARCHITECTURES="x86_gcc2 x86 x86_64 sparc m68k"
+ARCHITECTURES="x86_gcc2 x86 x86_64 sparc m68k arm arm64 riscv64"
 SECONDARY_ARCHITECTURES="x86_gcc2 x86"
 
 PROVIDES="