diff --git a/appveyor.yml b/appveyor.yml
index bd4cb525ae6..79ba2ba48ac 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,4 +1,4 @@
-version: 5.2.5.{build}
+version: 5.2.6.{build}
 image: Visual Studio 2017
 environment:
   matrix:
diff --git a/build-common/NHibernate.props b/build-common/NHibernate.props
index 4ea7acbd671..cf37cbd7796 100644
--- a/build-common/NHibernate.props
+++ b/build-common/NHibernate.props
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <VersionMajor Condition="'$(VersionMajor)' == ''">5</VersionMajor>
     <VersionMinor Condition="'$(VersionMinor)' == ''">2</VersionMinor>
-    <VersionPatch Condition="'$(VersionPatch)' == ''">5</VersionPatch>
+    <VersionPatch Condition="'$(VersionPatch)' == ''">6</VersionPatch>
     <VersionSuffix Condition="'$(VersionSuffix)' == ''"></VersionSuffix>
 
     <VersionPrefix>$(VersionMajor).$(VersionMinor).$(VersionPatch)</VersionPrefix>
diff --git a/build-common/common.xml b/build-common/common.xml
index 26e5302a66d..ebcdb4ccb5e 100644
--- a/build-common/common.xml
+++ b/build-common/common.xml
@@ -13,8 +13,8 @@
 
 	<!-- This is used only for build folder -->
 	<!-- TODO: Either remove or refactor to use NHibernate.props -->
-	<property name="project.version" value="5.2.5" overwrite="false" />
-	<property name="project.version.numeric" value="5.2.5" overwrite="false" />
+	<property name="project.version" value="5.2.6" overwrite="false" />
+	<property name="project.version.numeric" value="5.2.6" overwrite="false" />
 
 	<!-- properties used to connect to database for testing -->
 	<include buildfile="nhibernate-properties.xml" />
diff --git a/releasenotes.txt b/releasenotes.txt
index 35275bdd3b3..a64f2f0e7d7 100644
--- a/releasenotes.txt
+++ b/releasenotes.txt
@@ -1,3 +1,30 @@
+Build 5.2.6
+=============================
+
+Release notes - NHibernate - Version 5.2.6
+
+11 issues were resolved in this release.
+
+** Bug
+
+   * #2190 Cannot instantiate a SessionFactory using Prevalence cache
+   * #2177 New Fetch() method in QueryOver returns IQueryOver<> instead of QueryOver<>
+   * #2172 Using DependentTransaction fails
+   * #2175 Subcriteria on component collection generates incorrect join alias 
+   * #2173 Futures not batching correctly in NH 5.2.x
+   * #2141 Undefined call to Equals object in collection during flush just before commit 
+   * #2127 StackExchangeRedisCache with PreferMultipleGet = true calls GetMany multiple times
+   * #2110 Wrong GUID to string conversion with SQLite  BinaryGuid=False
+
+** Task
+
+   * #2200 Release 5.2.6
+   * #2199 Upgrade AsyncGenerator to 0.8.2.12
+
+** Tests
+
+   * #2132 Add GetMany for ReadWriteCache tests
+
 Build 5.2.5
 =============================