diff --git a/readme.md b/readme.md
index f4baf97ff..bd4e7a722 100644
--- a/readme.md
+++ b/readme.md
@@ -26,6 +26,7 @@ Build requirements:
 * libcurl (for lokinet-bootstrap)
 * libunbound
 * libzmq
+* cppzmq
 * sqlite3
 
 ### Linux
diff --git a/readme_es.md b/readme_es.md
index f71dee8f8..29b333f50 100644
--- a/readme_es.md
+++ b/readme_es.md
@@ -73,6 +73,7 @@ Requerimientos de compilación:
 * libsodium >= 1.0.18
 * libunbound
 * libzmq
+* cppzmq
 * sqlite3
 
 ### Linux
diff --git a/readme_ru.md b/readme_ru.md
index 73652328d..dde90a6e7 100644
--- a/readme_ru.md
+++ b/readme_ru.md
@@ -64,6 +64,7 @@ Lokinet - реализация LLARP (протокол анонимной мар
 * libsodium >= 1.0.18
 * libunbound
 * libzmq
+* cppzmq
 * sqlite3
 
 ### Linux