diff --git a/Gemfile.lock b/Gemfile.lock
index f4dedba223..56ddcafdc3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,18 +1,18 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.8.6)
-      public_suffix (>= 2.0.2, < 6.0)
+    addressable (2.8.7)
+      public_suffix (>= 2.0.2, < 7.0)
     colorator (1.1.0)
-    concurrent-ruby (1.2.3)
+    concurrent-ruby (1.3.3)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
     eventmachine (1.2.7)
-    ffi (1.16.3)
+    ffi (1.17.0)
     forwardable-extended (2.6.0)
     http_parser.rb (0.8.0)
-    i18n (1.14.1)
+    i18n (1.14.5)
       concurrent-ruby (~> 1.0)
     jekyll (4.2.0)
       addressable (~> 2.4)
@@ -38,21 +38,23 @@ GEM
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
     liquid (4.0.4)
-    listen (3.8.0)
+    listen (3.9.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.4.0)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (5.0.4)
+    public_suffix (6.0.0)
     rb-fsevent (0.11.2)
-    rb-inotify (0.10.1)
+    rb-inotify (0.11.1)
       ffi (~> 1.0)
-    rexml (3.2.6)
+    rexml (3.3.1)
+      strscan
     rouge (3.26.0)
     safe_yaml (1.0.5)
     sassc (2.4.0)
       ffi (~> 1.9)
+    strscan (3.1.0)
     terminal-table (2.0.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
     unicode-display_width (1.8.0)
diff --git a/site/third-party-projects.html b/site/third-party-projects.html
index a60db81c21..da1d7c6b1c 100644
--- a/site/third-party-projects.html
+++ b/site/third-party-projects.html
@@ -209,6 +209,7 @@ <h2>Applications using Spark</h2>
   <li><a href="https://github.com/salesforce/TransmogrifAI">TransmogrifAI</a> - AutoML library for building modular, reusable, strongly typed machine learning workflows on Spark with minimal hand tuning</li>
   <li><a href="https://github.com/JohnSnowLabs/spark-nlp">Natural Language Processing for Apache Spark</a> - A library to provide simple, performant, and accurate NLP annotations for machine learning pipelines</li>
   <li><a href="http://rumbledb.org">Rumble for Apache Spark</a> - A JSONiq engine to query, with a functional language, large, nested, and heterogeneous JSON datasets that do not fit in dataframes.</li>
+  <li><a href="https://xdiscover.de">xDiscover for Apache Spark SQL</a> - Write, Analyze, and Compare Apache Spark SQL Queries Like Never Before.</li>
 </ul>
 
 <h2>Performance, monitoring, and debugging tools for Spark</h2>
diff --git a/third-party-projects.md b/third-party-projects.md
index ed7e7b3353..e4f9dc98b7 100644
--- a/third-party-projects.md
+++ b/third-party-projects.md
@@ -66,6 +66,7 @@ transforming, and analyzing genomic data using Apache Spark
 - <a href="https://github.com/salesforce/TransmogrifAI">TransmogrifAI</a> - AutoML library for building modular, reusable, strongly typed machine learning workflows on Spark with minimal hand tuning
 - <a href="https://github.com/JohnSnowLabs/spark-nlp">Natural Language Processing for Apache Spark</a> - A library to provide simple, performant, and accurate NLP annotations for machine learning pipelines
 - <a href="http://rumbledb.org">Rumble for Apache Spark</a> - A JSONiq engine to query, with a functional language, large, nested, and heterogeneous JSON datasets that do not fit in dataframes.
+- <a href="https://xdiscover.de">xDiscover for Apache Spark SQL</a> - Write, Analyze, and Compare Apache Spark SQL Queries Like Never Before.
 
 <h2>Performance, monitoring, and debugging tools for Spark</h2>