diff --git a/README.md b/README.md
index 43b78cd..c84fd6c 100644
--- a/README.md
+++ b/README.md
@@ -160,7 +160,7 @@ There are also some optional dependencies:
 On a Debian/Ubuntu/Linux Mint machine just run the following command to install all
 these packages:
 
-    sudo apt-get install git cmake build-essential libgcrypt11-dev libyajl-dev \
+    sudo apt-get install git cmake build-essential libgcrypt20-dev libyajl-dev \
         libboost-all-dev libcurl4-openssl-dev libexpat1-dev libcppunit-dev binutils-dev \
         debhelper zlib1g-dev dpkg-dev pkg-config