diff --git a/srcpkgs/sequoia-octopus-librnp/template b/srcpkgs/sequoia-octopus-librnp/template
new file mode 100644
index 00000000000..83b6e8e2a28
--- /dev/null
+++ b/srcpkgs/sequoia-octopus-librnp/template
@@ -0,0 +1,27 @@
+# Template file for 'sequoia-octopus-librnp'
+pkgname=sequoia-octopus-librnp
+version=1.11.1
+revision=1
+archs="~arm*" # no thunderbird
+build_style=cargo
+configure_args="--no-default-features --features crypto-openssl"
+hostmakedepends="pkg-config libgit2-1.8-devel"
+makedepends="openssl-devel libgit2-1.8-devel sqlite-devel"
+short_desc="Drop-in replacement for the RNP library in Thunderbird"
+maintainer="classabbyamp <void@placeviolette.net>"
+license="LGPL-2.0-or-later"
+homepage="https://sequoia-pgp.org/projects/#octopus"
+changelog="https://gitlab.com/sequoia-pgp/sequoia-octopus-librnp/-/raw/main/NEWS"
+distfiles="https://gitlab.com/sequoia-pgp/sequoia-octopus-librnp/-/archive/v${version}/sequoia-octopus-librnp-v${version}.tar.gz"
+checksum=fae46cddf0fc4962c3547b65d6388ea19f475960d65d2bb0e1c3e8a7978b2f40
+
+alternatives="librnp:/usr/lib/thunderbird/librnp.so:/usr/lib/thunderbird/libsequoia_octopus_librnp.so"
+
+post_patch() {
+	# https://github.com/rust-lang/cc-rs/issues/1469
+	cargo update --package cc:1.2.16 --precise 1.2.14
+}
+
+do_install() {
+	vinstall "target/${RUST_TARGET}/release/libsequoia_octopus_librnp.so" 0755 /usr/lib/thunderbird
+}