diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5ce22eccde..852e6f3774 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 
 - Improved the style of the empty state in the _Fear & Greed Index_ component
+- Improved the language localization for German (`de`)
 
 ## 3.37.0 - 2026-07-30
 
diff --git a/apps/client/src/locales/messages.de.xlf b/apps/client/src/locales/messages.de.xlf
index 4fe4422678..0378b10680 100644
--- a/apps/client/src/locales/messages.de.xlf
+++ b/apps/client/src/locales/messages.de.xlf
@@ -351,7 +351,7 @@
       </trans-unit>
       <trans-unit id="4467323362722952678" datatype="html">
         <source>Unknown</source>
-        <target state="new">Unknown</target>
+        <target state="translated">Unbekannt</target>
         <context-group purpose="location">
           <context context-type="sourcefile">libs/ui/src/lib/i18n.ts</context>
           <context context-type="linenumber">88</context>
@@ -1767,7 +1767,7 @@
       </trans-unit>
       <trans-unit id="659291745893337969" datatype="html">
         <source>Invalid API key</source>
-        <target state="new">Invalid API key</target>
+        <target state="translated">Ungültiger API-Schlüssel</target>
         <context-group purpose="location">
           <context context-type="sourcefile">apps/client/src/app/components/admin-settings/admin-settings.component.html</context>
           <context context-type="linenumber">112</context>