diff --git a/biology/btllib/Makefile b/biology/btllib/Makefile
index 750b970ec0be..32eee1f92648 100644
--- a/biology/btllib/Makefile
+++ b/biology/btllib/Makefile
@@ -1,33 +1,32 @@
 PORTNAME=	btllib
 DISTVERSIONPREFIX=	v
-DISTVERSION=	1.7.5
-PORTREVISION=	1
+DISTVERSION=	1.7.6
 CATEGORIES=	biology devel
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Bioinformatics Technology Lab common code library
 WWW=		https://github.com/bcgsc/btllib
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 NOT_FOR_ARCHS=	armv6 armv7 i386 mips powerpc # temporary until https://github.com/bcgsc/btllib/issues/117 is fixed
 
 BUILD_DEPENDS=	bash:shells/bash \
 		samtools:biology/samtools \
 		cmake:devel/cmake-core
 LIB_DEPENDS=	libsdsl.so:devel/sdsl-lite
 RUN_DEPENDS=	samtools:biology/samtools
 
 USES=		meson pkgconfig python:build shebangfix
 
 SHEBANG_FILES=	scripts/*
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	bcgsc
 GH_TUPLE=	p-ranav:argparse:15d745f:argparse/subprojects/argparse \
 		skystrife:cpptoml:fededad:cpptoml/subprojects/cpptoml
 
 BINARY_ALIAS=	python3=${PYTHON_CMD} # python3-config=${PYTHON_CMD}-config # installs python binding into a wrong location, see https://github.com/bcgsc/btllib/issues/111
 
 .include <bsd.port.mk>
diff --git a/biology/btllib/distinfo b/biology/btllib/distinfo
index ade68a39b615..e92a79aa83fd 100644
--- a/biology/btllib/distinfo
+++ b/biology/btllib/distinfo
@@ -1,7 +1,7 @@
-TIMESTAMP = 1733374207
-SHA256 (bcgsc-btllib-v1.7.5_GH0.tar.gz) = a4c9cdd2c1d37d7f0465dc15e6267693f74e5e3b547b5ff187989abf1e4ca0b8
-SIZE (bcgsc-btllib-v1.7.5_GH0.tar.gz) = 956716
+TIMESTAMP = 1773511448
+SHA256 (bcgsc-btllib-v1.7.6_GH0.tar.gz) = ab7f20e017b7a1541d91400c00dce37f7843a478b510257fba58388dc9d1ec4d
+SIZE (bcgsc-btllib-v1.7.6_GH0.tar.gz) = 957034
 SHA256 (p-ranav-argparse-15d745f_GH0.tar.gz) = f033d4eb4a430b4ae4bf3c2a40e087709bf77462c1f9968ae07828437219a370
 SIZE (p-ranav-argparse-15d745f_GH0.tar.gz) = 105608
 SHA256 (skystrife-cpptoml-fededad_GH0.tar.gz) = dd2d129b67f537ae7d6f8d8d084c8c0d772d0f5b4b3118c1892e67ff536e335e
 SIZE (skystrife-cpptoml-fededad_GH0.tar.gz) = 47398
diff --git a/biology/btllib/files/patch-meson.build b/biology/btllib/files/patch-meson.build
index 878516f5d78b..f32d592315c1 100644
--- a/biology/btllib/files/patch-meson.build
+++ b/biology/btllib/files/patch-meson.build
@@ -1,54 +1,50 @@
---- meson.build.orig	2023-07-06 15:52:18 UTC
+--- meson.build.orig	2026-03-11 18:55:57 UTC
 +++ meson.build
-@@ -1,7 +1,7 @@
+@@ -1,7 +1,7 @@ project('btllib', 'cpp',
  project('btllib', 'cpp',
-         version : '1.6.2',
+         version : '1.7.6',
          license : 'GPL3',
 -        default_options : [ 'cpp_std=c++17', 'warning_level=3', 'werror=true', 'b_coverage=true' ],
 +        default_options : [ 'cpp_std=c++17', 'warning_level=3', 'b_coverage=true' ],
          meson_version : '>= 0.60.0')
  
  # Configuration
-@@ -48,22 +48,28 @@ threads_dep = dependency('threads')
+@@ -48,7 +48,7 @@ cmake_options = cmake.subproject_options()
  openmp_dep = dependency('openmp', required : false)
  
  cmake_options = cmake.subproject_options()
 -cmake_options.set_override_option('werror', 'false')
 +#cmake_options.set_override_option('werror', 'false')
  cmake_options.set_install(false)
  
+ if host_machine.cpu_family() == 'aarch64'
+@@ -59,16 +59,16 @@ cpptomp_dep = cpptoml_subproject.dependency('cpptoml')
  cpptoml_subproject = cmake.subproject('cpptoml', options : cmake_options)
  cpptomp_dep = cpptoml_subproject.dependency('cpptoml')
  
 -run_command(meson.project_source_root() + '/scripts/prepare-sdsl')
 +#run_command(meson.project_source_root() + '/scripts/prepare-sdsl')
  
 -sdsl_subproject = cmake.subproject('sdsl-lite', options : cmake_options)
 -sdsl_dep = sdsl_subproject.dependency('sdsl', include_type: 'system')
-+#sdsl_subproject = cmake.subproject('sdsl-lite', options : cmake_options)
- 
-+#sdsl_dep = sdsl_subproject.dependency('sdsl', include_type: 'system')
-+
 +pkg = import('pkgconfig')
 +sdsl_dep = dependency('sdsl-lite')
-+#lib = library('foo', dependencies : [bar])
-+#pkg.generate(lib)
-+
+ 
  deps = [ threads_dep, openmp_dep, cpptomp_dep, sdsl_dep ]
  
  # These are unfortunate hacks. Currently, neither cpptoml nor sdsl-lite install their headers (even when set_install(true) is called), and so we need to do it manually
  meson.add_install_script('scripts/install-cpptoml')
 -meson.add_install_script('scripts/install-sdsl-lite')
 +#meson.add_install_script('scripts/install-sdsl-lite')
  
  argparse_subproject = cmake.subproject('argparse', options : cmake_options)
  argparse_dep = argparse_subproject.dependency('argparse')
-@@ -126,7 +132,7 @@ run_target('test-wrappers', command: join_paths(rootpa
+@@ -131,7 +131,7 @@ btllib_sources = run_command('scripts/get-files', 'src
  btllib_include = [ include_directories('include'), include_directories('.') ]
  btllib_sources = run_command('scripts/get-files', 'src').stdout().strip().split()
  
 -btllib_lib = static_library('btllib',
 +btllib_lib = shared_library('btllib',
                             btllib_sources,
                             include_directories : btllib_include,
                             dependencies : deps,