diff --git a/base/tool-versions b/base/tool-versions
index 4519862..a3a9fa6 100644
--- a/base/tool-versions
+++ b/base/tool-versions
@@ -16,6 +16,7 @@ nodejs 22.6.0
 pipx 1.6.0
 pre-commit 3.8.0
 ripgrep 14.1.0
+ruby 3.3.4
 rust 1.80.1
 semgrep system
 shellcheck 0.10.0
diff --git a/config/asdf/gem-packages b/config/asdf/gem-packages
new file mode 100644
index 0000000..b841526
--- /dev/null
+++ b/config/asdf/gem-packages
@@ -0,0 +1 @@
+bundler
diff --git a/config/exports b/config/exports
index aeed56a..a15e8be 100755
--- a/config/exports
+++ b/config/exports
@@ -315,6 +315,7 @@ export ASDF_NPM_DEFAULT_PACKAGES_FILE="${XDG_CONFIG_HOME}/asdf/npm-packages"
 export ASDF_GOLANG_MOD_VERSION_ENABLED=true
 export ASDF_GOLANG_DEFAULT_PACKAGES_FILE="${XDG_CONFIG_HOME}/asdf/golang-packages"
 export ASDF_CRATE_DEFAULT_PACKAGES_FILE="${XDG_CONFIG_HOME}/asdf/cargo-packages"
+export ASDF_GEM_DEFAULT_PACKAGES_FILE="${XDG_CONFIG_HOME}/asdf/gem-packages"
 export ASDF_DIRENV_IGNORE_MISSING_PLUGINS=1
 export PATH="${ASDF_DIR}/bin:${PATH}"