diff --git a/README.md b/README.md
index fd86f6b9..93e532cb 100644
--- a/README.md
+++ b/README.md
@@ -428,6 +428,11 @@ translation:
   deepl_api_key: <DeepL Pro API key>
   deepl_host: <optional>
   deepl_version: <optional>
+  deepl_glossary_ids:
+    - f28106eb-0e06-489e-82c6-8215d6f95089
+    - 2c6415be-1852-4f54-9e1b-d800463496b4
+  deepl_options:
+    formality: prefer_less
 ```
 
 or via environment variables:
diff --git a/lib/i18n/tasks/translators/deepl_translator.rb b/lib/i18n/tasks/translators/deepl_translator.rb
index 07a55bc5..fa4dc747 100644
--- a/lib/i18n/tasks/translators/deepl_translator.rb
+++ b/lib/i18n/tasks/translators/deepl_translator.rb
@@ -24,7 +24,12 @@ def initialize(*)
     def translate_values(list, from:, to:, **options)
       results = []
       list.each_slice(BATCH_SIZE) do |parts|
-        res = DeepL.translate(parts, to_deepl_source_locale(from), to_deepl_target_locale(to), options)
+        res = DeepL.translate(
+          parts,
+          to_deepl_source_locale(from),
+          to_deepl_target_locale(to),
+          options_with_glossary(options, from, to)
+        )
         if res.is_a?(DeepL::Resources::Text)
           results << res.text
         else
@@ -100,5 +105,26 @@ def configure_api_key!
         config.version = version unless version.blank?
       end
     end
+
+    def options_with_glossary(options, from, to)
+      glossary = find_glossary(from, to)
+      glossary ? { glossary_id: glossary.id }.merge(options) : options
+    end
+
+    def all_ready_glossaries
+      @all_ready_glossaries ||= DeepL.glossaries.list
+    end
+
+    def find_glossary(from, to)
+      config_glossary_ids = @i18n_tasks.translation_config[:deepl_glossary_ids]
+      return unless config_glossary_ids
+
+      all_ready_glossaries.find do |glossary|
+        glossary.ready \
+          && glossary.source_lang == from \
+          && glossary.target_lang == to \
+          && config_glossary_ids.include?(glossary.id)
+      end
+    end
   end
 end
diff --git a/templates/config/i18n-tasks.yml b/templates/config/i18n-tasks.yml
index 69116b64..e9962752 100644
--- a/templates/config/i18n-tasks.yml
+++ b/templates/config/i18n-tasks.yml
@@ -110,6 +110,9 @@ search:
 #   deepl_api_key: "48E92789-57A3-466A-9959-1A1A1A1A1A1A"
 #   # deepl_host: "https://api.deepl.com"
 #   # deepl_version: "v2"
+#   # deepl_glossary_ids:
+#   #   - f28106eb-0e06-489e-82c6-8215d6f95089
+#   #   - 2c6415be-1852-4f54-9e1b-d800463496b4
 #   # add additional options to the DeepL.translate call: https://www.deepl.com/docs-api/translate-text/translate-text/
 #   deepl_options:
 #     formality: prefer_less