diff --git a/README.md b/README.md
index 809f7f9..5bff2a9 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# TechPack V2.04
+# TechPack V2.05
 
 TechPack, a Mining, Crafting, & Farming Modpack for Minetest.
 
@@ -114,11 +114,24 @@ The value 200 (default) results in a lifetime for standard machines of about 200
 
 
 ### License
-Copyright (C) 2017-2020 Joachim Stolberg  
+Copyright (C) 2017-2021 Joachim Stolberg
 Code: Licensed under the GNU AGPL version 3 or later. See LICENSE.txt  
 Textures: CC BY-SA 3.0  
 
 
+## Credits
+
+### Contributors
+
+- oversword (PR #43, #57, #58, #59, #60, #62, #68, #74, #76)
+- afkplayer5000 (PR #70, #71)
+- andrenete (PR #37, #66)
+- fluxionary (PR #27, #28, #30, #31, #34, #54)
+- Arigatas (PR #51, #53)
+- realmicu (PR #6, #8, #12)
+- theFox6 (PR #3, #4)
+
+
 ### Dependencies 
 default, doors, intllib, basic_materials  
 tubelib2 (![GitHub](https://github.com/joe7575/tubelib2))  
@@ -152,7 +165,7 @@ tubelib_addons1 optional: unified_inventory
 - 2019-01-28  V2.02  * Logic Not added, output reduction on Harvester, Fermenter, and Gravel Sieve
 - 2019-04-23  V2.03  * Piston/WorldEdit/replacer detection added, farming and grinder recipes added
 - 2020-11-20  V2.04  * Switch to AGPL v3, adapt to minetest 5.3, add translation support, fix minor bugs
-
+- 2021-01-24  V2.05  * PR #74, #76: Implement checks for valid connection sides for many nodes
 
 ## New in v2 (from players point of view)
 - Almost all machines break after a certain amount of time (switch into the state 'defect') and have to be repaired.
diff --git a/releasenotes.md b/releasenotes.md
index 18f0ed0..7a5e424 100644
--- a/releasenotes.md
+++ b/releasenotes.md
@@ -1,6 +1,23 @@
 # Release Notes for ModPack TechPack [techpack]
 
 
+## V2.05.00 (2021-01-24)
+
+### Additions
+
+### Removals
+
+### Changes
+- Pushers only connect from the left & right
+- Detectors only connect from the left & right, still need condition to stop pushing in from the right
+- Funnels refuse to connect from the top
+- Liquid samplers & quarries refuse to connect from the front (left)
+- Black hole push filter replaced with valid_sides logic
+
+### Fixes
+- Pushers can be used to send items into the invalid faces of a node (#72)
+
+
 ## V2.04.01 (2020-12-18)
 
 ### Additions
diff --git a/tubelib/init.lua b/tubelib/init.lua
index b12fc8b..6f52324 100644
--- a/tubelib/init.lua
+++ b/tubelib/init.lua
@@ -97,8 +97,8 @@ minetest.register_craft({
 })
 
 
-if tubelib2.version < 0.8 then
-	minetest.log("error", "TechPack/Tubelib requires tubelib2 version 0.8 or newer!!!")
+if tubelib2.version < 2.0 then
+	minetest.log("error", "TechPack/Tubelib requires tubelib2 version 2.0 or newer!!!")
 else
 	dofile(minetest.get_modpath("tubelib") .. "/tubes.lua")
 	dofile(minetest.get_modpath("tubelib") .. "/command.lua")