diff --git a/CHANGELOG b/CHANGELOG
index 94e62df4b..01faf44c2 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -2,9 +2,20 @@
 List of major changes and improvements between releases
 =======================================================
 
-Yosys 0.64 .. Yosys 0.65-dev
+Yosys 0.65 .. Yosys 0.66-dev
 --------------------------
 
+Yosys 0.64 .. Yosys 0.65
+--------------------------
+ * New commands and options
+    - Added "arith_tree" pass to convert add/sub/macc chains
+      to carry-save adder trees.
+    - Removed "-force" option from "share" pass.
+
+ * Various
+    - read_verilog: support positional assignment patterns
+      for unpacked arrays.
+
 Yosys 0.63 .. Yosys 0.64
 --------------------------
  * New commands and options
diff --git a/Makefile b/Makefile
index 543ec7f44..4af083df4 100644
--- a/Makefile
+++ b/Makefile
@@ -161,7 +161,7 @@ ifeq ($(OS), Haiku)
 CXXFLAGS += -D_DEFAULT_SOURCE
 endif
 
-YOSYS_VER := 0.64
+YOSYS_VER := 0.65
 
 ifneq (, $(shell command -v git 2>/dev/null))
 ifneq (, $(shell git rev-parse --git-dir 2>/dev/null))
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 9520948cf..b85c391db 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -6,7 +6,7 @@ import os
 project = 'YosysHQ Yosys'
 author = 'YosysHQ GmbH'
 copyright ='2026 YosysHQ GmbH'
-yosys_ver = "0.64"
+yosys_ver = "0.65"
 
 # select HTML theme
 html_theme = 'furo-ys'