diff --git a/MSBuild/Robust.Engine.Version.props b/MSBuild/Robust.Engine.Version.props
index f4d073bdc..adc5a9000 100644
--- a/MSBuild/Robust.Engine.Version.props
+++ b/MSBuild/Robust.Engine.Version.props
@@ -1,4 +1,4 @@
 <Project>

     <!-- This file automatically reset by Tools/version.py -->

-    <PropertyGroup><Version>170.0.0</Version></PropertyGroup>

+    <PropertyGroup><Version>171.0.0</Version></PropertyGroup>

 </Project>

diff --git a/RELEASE-NOTES.md b/RELEASE-NOTES.md
index d53ec0e13..bfe82e49f 100644
--- a/RELEASE-NOTES.md
+++ b/RELEASE-NOTES.md
@@ -54,6 +54,22 @@ END TEMPLATE-->
 *None yet*
 
 
+## 171.0.0
+
+### Breaking changes
+
+* Change PlaceNextTo method names to be more descriptive.
+* Rename RefreshRelay for joints to SetRelay to match its behaviour.
+
+### Bugfixes
+
+* Fix PVS error spam for joint relays not being cleaned up.
+
+### Other
+
+* Set EntityLastModifiedTick on entity spawn.
+
+
 ## 170.0.0
 
 ### Breaking changes