diff --git a/Readme.md b/Readme.md
index 1e5918c..d589264 100644
--- a/Readme.md
+++ b/Readme.md
@@ -22,13 +22,13 @@
 `RKorAPClient` uses some R packages with system dependencies you might need to install first:
 ```bash
 #### Debian / Ubuntu
-sudo apt install r-base-dev libcurl4-gnutls-dev libxml2-dev libsodium-dev
+sudo apt install r-base-dev libcurl4-gnutls-dev libxml2-dev libsodium-dev libsecret-1-dev libfontconfig1-dev libssl-dev
 
 #### Fedora / CentOS >= 8 / RHEL >= 8
-sudo dnf install R-devel libcurl-devel openssl-devel libxml2-devel libsodium-devel
+sudo dnf install R-devel libcurl-devel openssl-devel libxml2-devel libsodium-devel libsecret-devel fontconfig-devel
 
 #### CentOS < 8 / RHEL < 8
-sudo yum install R-devel libcurl-devel openssl-devel libxml2-devel libsodium-devel
+sudo yum install R-devel libcurl-devel openssl-devel libxml2-devel libsodium-devel libsecret-devel fontconfig-devel
 
 #### Arch Linux
 pacman -S base-devel gcc-fortran libsodium curl