diff --git a/CHANGES.md b/CHANGES.md
index 42ca9bd..462ef3b 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,12 @@
+1.1.1 (01/08/2024)
+-----
+* use MSYS2 for Windows support
+
+1.1.0 (12/30/2023)
+-----
+* require Ruby 3.0
+* updated CZMQ low-level binding
+
 1.1.0.pre1 (10/17/2022)
 -----
 * updated CZMQ low-level binding
diff --git a/lib/czmq-ffi-gen/gem_version.rb b/lib/czmq-ffi-gen/gem_version.rb
index eb2b027..4e10bca 100644
--- a/lib/czmq-ffi-gen/gem_version.rb
+++ b/lib/czmq-ffi-gen/gem_version.rb
@@ -1,5 +1,5 @@
 module CZMQ
   module FFI
-    GEM_VERSION = "1.1.0"
+    GEM_VERSION = "1.1.1"
   end
 end