diff --git a/pom.xml b/pom.xml
index e9bd9057ec009bc876642847f69973c5f15a852d..e3a51aee0462f2f64949eda860d39d0591ea55a1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,7 +19,7 @@
<!-- COTS version -->
- <rugged.orekit.version>11.2.1</rugged.orekit.version>
+ <rugged.orekit.version>11.3</rugged.orekit.version>
<rugged.junit.version>4.13.2</rugged.junit.version>
<!-- Compilers and Tools version -->
diff --git a/src/changes/changes.xml b/src/changes/changes.xml
index 4b23bfac499e9a57d1d584ec718f9d789f5eed44..26de291cf99c5481d0abd04d7463ecd7107c6679 100644
--- a/src/changes/changes.xml
+++ b/src/changes/changes.xml
@@ -20,12 +20,18 @@
<title>Rugged Changes</title>
</properties>
<body>
- <release version="3.1" date="TBD" description="TBD">
+ <release version="4.0" date="TBD" description="TBD">
+ <action dev="guylaine" type="update" issue="375">
+ Made Rugged able to deal with seamless DEM tiles (no overlapping constraints).
+ </action>
<action dev="guylaine" type="update" issue="392">
Fixed light time correction in atmospheric refraction computation.
</action>
+ <action dev="guylaine" type="update" issue="393">
+ Created a tutorial about how to initialize a tile updater with a real DEM.
+ </action>
<action dev="guylaine" type="update">
- Updated dependencies to Orekit 11.2.1 (and Hipparchus 2.1 ).
+ Updated dependencies to Orekit 11.3 (and Hipparchus 2.3).
</action>
</release>
<release version="3.0" date="2022-07-05" description="This is a major release.
diff --git a/src/site/resources/images/rugged-architecture.odg b/src/site/resources/images/rugged-architecture.odg
index 8af1bc445aa0702a161cd0265242a8f18b6b5fe9..b99bcf16f0bea913ad43f2b32b1d71155ebd94d2 100644
Binary files a/src/site/resources/images/rugged-architecture.odg and b/src/site/resources/images/rugged-architecture.odg differ
diff --git a/src/site/resources/images/rugged-architecture.png b/src/site/resources/images/rugged-architecture.png
index 1fcde7952d56fb79eaf139c111da864217da0705..70458ba77935fc4ca3828cad54f5aa9f587afcb4 100644
Binary files a/src/site/resources/images/rugged-architecture.png and b/src/site/resources/images/rugged-architecture.png differ