diff --git a/CHANGELOG.md b/CHANGELOG.md
index 099e32ee..dee5db19 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,5 +10,6 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Let wmi_query and wmi_query_rsop return any error and do not consider it as error when a class is not found.
   [#26](https://github.com/greenbone/openvas-smb/pull/26)
 - Use results of pkgconfig for gnutls.[#30](https://github.com/greenbone/openvas-smb/pull/30)
+- Update INSTALL.md: Update reference system and add new dependency. [#32](https://github.com/greenbone/openvas-smb/pull/32)
 
 [20.08.0]: https://github.com/greenbone/openvas-smb/compare/v1.0.5...master
diff --git a/INSTALL.md b/INSTALL.md
index 2fe67560..8d7040c2 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -2,7 +2,7 @@ INSTALLATION INSTRUCTIONS FOR OPENVAS-SMB
 =========================================
 
 Please note: The reference system used by most of the developers is Debian
-GNU/Linux 'Stretch' 9. The build might fail on any other system. Also, it is
+GNU/Linux 'Buster' 10. The build might fail on any other system. Also, it is
 necessary to install dependent development packages.
 
 Prerequisites for openvas-smb
@@ -14,11 +14,13 @@ Prerequisites for openvas-smb
 * heimdal-dev | heimdal-multidev >= 1.6.0
 * libpopt-dev
 * libglib2.0-dev
+* libunistring-dev
 
 Install prerequisites on Debian GNU/Linux 'Stretch' 9:
 
     apt-get install gcc cmake pkg-config gcc-mingw-w64 libgnutls28-dev \
-                    perl-base heimdal-dev libpopt-dev libglib2.0-dev
+                    perl-base heimdal-dev libpopt-dev libglib2.0-dev \
+                    libunistring-dev
 
 Compiling openvas-smb
 ---------------------