diff --git a/README.md b/README.md
index 4f858ca..d3de389 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ Personal dotfiles managed with [GNU Stow](https://www.gnu.org/software/stow/).
 ### Homebrew Packages
 
 ```bash
-brew install bash bash-completion coreutils difftastic font-inconsolata-nerd-font gh git gnupg htop hub mise neovim ripgrep shellcheck starship stow the_silver_searcher tree-sitter tree-sitter-cli wget
+brew install bash bash-completion coreutils difftastic font-inconsolata-nerd-font gh git gnupg htop hub mise neovim pinentry-mac ripgrep shellcheck starship stow the_silver_searcher tree-sitter tree-sitter-cli wget
 ```
 
 ### Change Default Shell to Bash
@@ -28,7 +28,7 @@ Restart your terminal for the change to take effect.
 From within this repo's directory, run the following command to create the symlinks:
 
 ```bash
-stow -d stow-packages -t ~ ag bash ghostty git iterm2 mise nvim ssh
+stow -d stow-packages -t ~ ag bash ghostty git gnupg iterm2 mise nvim ssh
 ```
 
 Then, iTerm and iStat Menus require additional configuration:
diff --git a/stow-packages/gnupg/.gnupg/gpg-agent.conf b/stow-packages/gnupg/.gnupg/gpg-agent.conf
new file mode 100644
index 0000000..5863880
--- /dev/null
+++ b/stow-packages/gnupg/.gnupg/gpg-agent.conf
@@ -0,0 +1,5 @@
+default-cache-ttl 43200
+max-cache-ttl 43200
+
+# NOTE: Apple Silicon path. On Intel, this is /usr/local/bin/pinentry-mac.
+pinentry-program /opt/homebrew/bin/pinentry-mac