diff --git a/roles/base/tasks/main.yml b/roles/base/tasks/main.yml
index 9c1f320..5c121a6 100644
--- a/roles/base/tasks/main.yml
+++ b/roles/base/tasks/main.yml
@@ -10,6 +10,7 @@
     - keychain
     - libarchive-tools
     - mg
+    - nmap
     - nvi
     - pandoc
     - par
diff --git a/roles/development/tasks/main.yml b/roles/development/tasks/main.yml
index 387cce0..dbd0d02 100644
--- a/roles/development/tasks/main.yml
+++ b/roles/development/tasks/main.yml
@@ -21,6 +21,7 @@
     - lua5.3
     - luarocks
     - make
+    - mercurial
     - pgcli
     - protobuf-compiler
     - python3-pip
@@ -29,6 +30,7 @@
     - sbcl
     - texinfo
     - tig
+    - yamllint
     - zlib1g
     - zlib1g-dev
 
@@ -118,6 +120,7 @@
     - syslinux
     - syslinux-efi
     - syslinux-utils
+    - whois
 
 - name: install container and virtualisation management
   when: dev_virt or dev_full
diff --git a/roles/dotfiles/files/.profile b/roles/dotfiles/files/.profile
index 0de8dde..1c6fc39 100644
--- a/roles/dotfiles/files/.profile
+++ b/roles/dotfiles/files/.profile
@@ -36,7 +36,7 @@ then
 	fi
 fi
 
-GOPATH=$HOME
+export GOPATH=$HOME
 
 [ -f ~/.cargo/env ] && source $HOME/.cargo/env