diff --git a/README.md b/README.md
index 5ee5f6f83..2a52e8cfa 100644
--- a/README.md
+++ b/README.md
@@ -168,7 +168,7 @@ library archives (`.a`).
 | CMake        | 3.10          | NO       | `cmake`              | `cmake`      | `cmake`            | `cmake`             | NO       |                 |
 | pkg-config   | any           | NO       | `pkg-config`         | `base-devel` | `base-devel`       | `pkgconf`           | NO       |                 |
 | Boost        | 1.66          | NO       | `libboost-all-dev`   | `boost`      | `boost-devel`      | `boost-devel`       | NO       | C++ libraries   |
-| OpenSSL      | 1.1.1         | NO       | `libssl-dev`         | `openssl`    | `openssl-devel`    | `openssl-devel`     | NO       | sha256 sum      |
+| OpenSSL      | 1.1.1         | NO       | `libssl-dev`         | `openssl`    | `openssl-devel`    | `openssl-devel`     | NO       | cryptography    |
 | libzmq       | 4.2.0         | NO       | `libzmq3-dev`        | `zeromq`     | `zeromq-devel`     | `zeromq-devel`      | NO       | ZeroMQ library  |
 | libunbound   | 1.4.16        | NO       | `libunbound-dev`     | `unbound`    | `unbound-devel`    | `unbound-devel`     | NO       | DNS resolver    |
 | libsodium    | ?             | NO       | `libsodium-dev`      | `libsodium`  | `libsodium-devel`  | `libsodium-devel`   | NO       | cryptography    |