diff --git a/Installation-of-pam_panic.md b/Installation-of-pam_panic.md
index a3cf1cd..e998ad7 100644
--- a/Installation-of-pam_panic.md
+++ b/Installation-of-pam_panic.md
@@ -13,6 +13,7 @@ sudo apt-get install pampanic
 ## Compiling from sources
 
 You will need GCC or similar, as well as the PAM headers. Some distributions package the PAM headers as libpam0g-dev.
+Also you need po4a and gettext.
 
 To compile and install it, do the following within the project's root directory:
 ```console