diff --git a/.bash_completion.d/completions/aws-auth b/.bash_completion.d/completions/aws-auth
new file mode 100755
index 0000000..eba07cd
--- /dev/null
+++ b/.bash_completion.d/completions/aws-auth
@@ -0,0 +1,10 @@
+function _aws-auth {
+  if [ "${#COMP_WORDS[@]}" != "2" ]; then
+    return
+  fi
+  local aws_profiles
+  aws_profiles="$(pcre2grep -O '$1' '(?>\[\s*profile )(\S+)(?>\s*\])' ~/.aws/config)"
+  COMPREPLY=($(compgen -W "$aws_profiles" "${COMP_WORDS[$COMP_CWORD]}" ))
+}
+
+complete -F _aws-auth aws-auth
diff --git a/.environment.d/bash_completion.env b/.environment.d/bash_completion.env
new file mode 100644
index 0000000..13c9c48
--- /dev/null
+++ b/.environment.d/bash_completion.env
@@ -0,0 +1 @@
+BASH_COMPLETION_USER_DIR="${HOME}/.bash_completion.d"