diff --git a/Changes b/Changes
index f34fb3a..f5f4dbe 100644
--- a/Changes
+++ b/Changes
@@ -1,3 +1,6 @@
+0.66 2026-06-30
+        - Fix link to NEGRA corpus (diewald)
+
 0.65 2026-04-21
         - Expose colors and forms to plugins (diewald)
         - Support additional activity-toggle in buttons (diewald)
diff --git a/lib/Kalamar.pm b/lib/Kalamar.pm
index 24cb931..e7174f0 100644
--- a/lib/Kalamar.pm
+++ b/lib/Kalamar.pm
@@ -8,7 +8,7 @@
 use List::Util qw!none uniq!;
 
 # Minor version - may be patched from package.json
-our $VERSION = '0.65';
+our $VERSION = '0.66';
 
 # Supported version of Backend API
 our $API_VERSION = '1.0';
diff --git a/package.json b/package.json
index 3ab0fd9..6b8fda6 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "Kalamar",
   "description": "Mojolicious-based Frontend for KorAP",
   "license": "BSD-2-Clause",
-  "version": "0.65.0",
+  "version": "0.66.0",
   "pluginVersion": "0.2.3",
   "engines": {
     "node": ">=6.0.0"
diff --git a/templates/de/doc/data/annotation.html.ep b/templates/de/doc/data/annotation.html.ep
index 9893a33..f0bc57f 100644
--- a/templates/de/doc/data/annotation.html.ep
+++ b/templates/de/doc/data/annotation.html.ep
@@ -54,7 +54,7 @@
     <dt><abbr data-type="token" title="Part-of-Speech">p</abbr></dt>
     <dd>Part-of-Speech-Informationen werden in Großbuchstaben geschrieben und basieren auf STTS</dd>
     <dt><abbr data-type="token" title="Constituency">c</abbr></dt>
-    <dd>Konstituenten Informationen folgen den Annotationen des <%= ext_link_to 'negr@ Korpus', 'http://www.coli.uni-saarland.de/projects/sfb378/negra-corpus/negra-corpus.html' %>.</dd>
+    <dd>Konstituenten Informationen folgen den Annotationen des <%= ext_link_to 'negr@ Korpus', 'https://www.coli.uni-saarland.de/projects/sfb378/1999-2001/projects/NEGRA-de.html'%>.</dd>
     <dt><abbr data-type="token" title="Named Entity">ne</abbr></dt>
     <dd>Enthält benannte Entitäten wie <code>I-PER</code>, <code>I-ORG</code> etc.</dd>
     <dt><abbr data-type="token" title="Named Entity">ne_hgc_175m_600</abbr></dt>
diff --git a/templates/doc/data/annotation.html.ep b/templates/doc/data/annotation.html.ep
index 0fd87f0..6d64d1e 100644
--- a/templates/doc/data/annotation.html.ep
+++ b/templates/doc/data/annotation.html.ep
@@ -54,7 +54,7 @@
     <dt><abbr data-type="token" title="Part-of-Speech">p</abbr></dt>
     <dd>Part-of-speech information is written in capital letters and is based on STTS</dd>
     <dt><abbr data-type="token" title="Constituency">c</abbr></dt>
-    <dd>Constituency information follows the annotations of the <%= ext_link_to 'negr@ corpus', 'http://www.coli.uni-saarland.de/projects/sfb378/negra-corpus/negra-corpus.html' %>.</dd>
+    <dd>Constituency information follows the annotations of the <%= ext_link_to 'negr@ corpus', 'https://www.coli.uni-saarland.de/projects/sfb378/1999-2001/projects/NEGRA-en.html' %>.</dd>
     <dt><abbr data-type="token" title="Named Entity">ne</abbr></dt>
     <dd>Contains named entities like <code>I-PER</code>, <code>I-ORG</code> etc.</dd>
     <dt><abbr data-type="token" title="Named Entity">ne_hgc_175m_600</abbr></dt>