diff --git a/fanya.nix b/fanya.nix
index a7c2592..d51d0dd 100644
--- a/fanya.nix
+++ b/fanya.nix
@@ -35,6 +35,8 @@ in {
         htop
         kcachegrind
         linuxPackages.perf
+        man-pages
+        man-pages-posix
         okular
         radare2
         ripgrep