diff --git a/common/shlibs b/common/shlibs
index f764d041584..a9e8ca054a5 100644
--- a/common/shlibs
+++ b/common/shlibs
@@ -2957,7 +2957,7 @@ libKDb3.so.4 kdb-3.1.0_1
 libKPropertyWidgets3.so.4 kproperty-3.1.0_1
 libKPropertyCore3.so.4 kproperty-3.1.0_1
 libKReport3.so.4 kreport-3.1.0_1
-libbotan-3.so.9 botan-3.9.0_1
+libbotan-3.so.11 botan-3.11.0_1
 libswipl.so.10 swi-prolog-10.0.0_1
 libpcre2-16.so.0 libpcre2-10.22_1
 libpcre2-32.so.0 libpcre2-10.22_1
diff --git a/srcpkgs/biboumi/patches/backport-botan3.patch b/srcpkgs/biboumi/patches/backport-botan3.patch
index 2dd12d6fdaf..5dd6a0e0b99 100644
--- a/srcpkgs/biboumi/patches/backport-botan3.patch
+++ b/srcpkgs/biboumi/patches/backport-botan3.patch
@@ -1,7 +1,7 @@
 From 8c4769e27b71ead73863c896ef9702add73cba8e Mon Sep 17 00:00:00 2001
 From: Luca Matei Pintilie <luca@lucamatei.com>
 Date: Tue, 29 Jul 2025 15:52:16 +0200
-Subject: [PATCH 1/2] Revert "Replace a useless shared_ptr by a unique_ptr"
+Subject: [PATCH 1/3] Revert "Replace a useless shared_ptr by a unique_ptr"
 
 This reverts commit 248e25c22fc15105d2a9db695ddb93ed5a8e0802.
 
@@ -86,7 +86,7 @@ index a7aef3d..e9e5473 100644
 From e4d32f939240ed726e9981e42c0dc251cd9879da Mon Sep 17 00:00:00 2001
 From: Luca Matei Pintilie <luca@lucamatei.com>
 Date: Mon, 28 Jul 2025 12:10:58 +0200
-Subject: [PATCH 2/2] biboumi: Update botan to version 3
+Subject: [PATCH 2/3] biboumi: Update botan to version 3
 
 The botan dependency has introduced a number of breaking changes with
 version 3, a couple of which impact biboumi as well
@@ -622,3 +622,40 @@ index e915646..052dd9c 100644
  #endif
 -- 
 2.47.3
+From 2c9d56ed9cef75d487ae233458767f75d4079dd3 Mon Sep 17 00:00:00 2001
+From: Komeil Parseh <komeilparseh@disroot.org>
+Date: Tue, 28 Apr 2026 13:11:06 +0330
+Subject: [PATCH 3/3] bridge: add <cstring> include to fix missing declarations for
+ C string functions
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+The build fails when compiling bridge.cpp because several C string
+functions (such `strlen()`, `memcpy()`, etc)
+are used without including <cstring>. Newer compilers (GCC 14)
+no longer implicitly include these symbols through unrelated headers.
+
+Error seen during build:
+    error: ‘strlen’ was not declared in this scope
+
+Adding <cstring> restores the expected declarations and fixes the build
+on modern toolchains.
+---
+ src/bridge/bridge.cpp | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/src/bridge/bridge.cpp b/src/bridge/bridge.cpp
+index 8577e22..1804e86 100644
+--- a/src/bridge/bridge.cpp
++++ b/src/bridge/bridge.cpp
+@@ -8,6 +8,7 @@
+ #include <utils/uuid.hpp>
+ #include <logger/logger.hpp>
+ #include <utils/revstr.hpp>
++#include <cstring>
+ #include <utils/split.hpp>
+ #include <xmpp/jid.hpp>
+ #include <database/database.hpp>
+-- 
+2.53.0
diff --git a/srcpkgs/botan/template b/srcpkgs/botan/template
index 5098db7cea7..07f348a5477 100644
--- a/srcpkgs/botan/template
+++ b/srcpkgs/botan/template
@@ -1,7 +1,7 @@
 # Template file for 'botan'
 pkgname=botan
-version=3.9.0
-revision=2
+version=3.11.0
+revision=1
 build_style=gnu-makefile
 hostmakedepends="doxygen python3 python3-packaging-bootstrap"
 makedepends="bzip2-devel liblzma-devel sqlite-devel zlib-devel"
@@ -11,7 +11,7 @@ license="BSD-2-Clause"
 homepage="https://botan.randombit.net/"
 changelog="https://botan.randombit.net/news.html"
 distfiles="https://botan.randombit.net/releases/Botan-${version}.tar.xz"
-checksum=8c3f284b58ddd42e8e43e9fa86a7129d87ea7c3f776a80d3da63ec20722b0883
+checksum=e8dd48556818da2c03a9a30932ad05db9e50b12fec90809301ecc64ea51bd11e
 python_version=3
 
 LDFLAGS="-pthread"