diff --git a/build-common/NHibernate.props b/build-common/NHibernate.props
index 0a732b0aaf..d165e516a5 100644
--- a/build-common/NHibernate.props
+++ b/build-common/NHibernate.props
@@ -3,7 +3,7 @@
 
   <PropertyGroup>
     <NhVersion     Condition="'$(NhVersion)' == ''"    >5.5</NhVersion>
-    <VersionPatch  Condition="'$(VersionPatch)'  == ''">2</VersionPatch>
+    <VersionPatch  Condition="'$(VersionPatch)'  == ''">3</VersionPatch>
     <!-- Clear VersionSuffix for making release and set it to dev for making development builds -->
     <VersionSuffix Condition="'$(VersionSuffix)' == ''"></VersionSuffix>
     <LangVersion Condition="'$(MSBuildProjectExtension)' != '.vbproj'">9.0</LangVersion>
diff --git a/releasenotes.txt b/releasenotes.txt
index 9cf843dde8..33e7829f17 100644
--- a/releasenotes.txt
+++ b/releasenotes.txt
@@ -1,4 +1,17 @@
-Build 5.5.2
+Build 5.5.3
+=============================
+
+Release notes - NHibernate - Version 5.5.3
+
+2 issues were resolved in this release.
+
+** Task
+
+   * #3692 Release 5.5.3
+   * #3691 Merge 5.4.10 into 5.5.x
+
+
+Build 5.5.2
 =============================
 
 Release notes - NHibernate - Version 5.5.2