prepare for release

CHANGELOG.md

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 91e5005..b61c4a7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,11 @@
 
 ## Unreleased
 
+## [1.1.1] - 2026-10-21
+
+### SECURITY
+ - CVE-2026-111497: out-of-bounds write permits remote code execution
+
 ## [1.1.0] - 2023-08-28
 
 ### Added

c/common/version.h

diff --git a/c/common/version.h b/c/common/version.h
index 8098040..cb4bb53 100644
--- a/c/common/version.h
+++ b/c/common/version.h
@@ -19,7 +19,7 @@
 
 #define BROTLI_VERSION_MAJOR 1
 #define BROTLI_VERSION_MINOR 1
-#define BROTLI_VERSION_PATCH 0
+#define BROTLI_VERSION_PATCH 1
 
 #define BROTLI_VERSION BROTLI_MAKE_HEX_VERSION(                     \
   BROTLI_VERSION_MAJOR, BROTLI_VERSION_MINOR, BROTLI_VERSION_PATCH)
@@ -33,7 +33,7 @@
  */
 
 #define BROTLI_ABI_CURRENT  2
-#define BROTLI_ABI_REVISION 0
+#define BROTLI_ABI_REVISION 1
 #define BROTLI_ABI_AGE      1
 
 #if BROTLI_VERSION_MAJOR != (BROTLI_ABI_CURRENT - BROTLI_ABI_AGE)