diff --git a/converters/simdutf/Makefile b/converters/simdutf/Makefile
index 91ab2ff2675a..3b6da17189f7 100644
--- a/converters/simdutf/Makefile
+++ b/converters/simdutf/Makefile
@@ -1,39 +1,39 @@
 PORTNAME=	simdutf
 DISTVERSIONPREFIX=	v
-DISTVERSION=	6.0.3
+DISTVERSION=	6.1.0
 CATEGORIES=	converters textproc
 
 MAINTAINER=	fuz@FreeBSD.org
 COMMENT=	Unicode validation and transcoding with SIMD
 WWW=		https://simdutf.github.io/simdutf/
 
 LICENSE=	APACHE20 MIT
 LICENSE_COMB=	dual
 LICENSE_FILE_APACHE20=	${WRKSRC}/LICENSE-APACHE
 LICENSE_FILE_MIT=	${WRKSRC}/LICENSE-MIT
 
 USES=		cmake:testing compiler:c++17-lang pathfix python:build,test
 USE_GITHUB=	yes
 USE_LDCONFIG=	yes
 
 # test suite fails on armv7 with -fno-strict-aliasing
 # see https://github.com/simdutf/simdutf/issues/581
 WITHOUT_NO_STRICT_ALIASING=	yes
 
 CMAKE_TESTING_ON=	SIMDUTF_TESTS
 
 CMAKE_ON=	BUILD_SHARED_LIBS
 CMAKE_OFF=	SIMDUTF_TESTS
 
 OPTIONS_DEFINE=	ICONV TOOLS
 OPTIONS_DEFAULT=	ICONV TOOLS
 OPTIONS_SUB=		yes
 
 TOOLS_DESC=		Build tools
 
 ICONV_USES=	iconv
 ICONV_CMAKE_BOOL=	SIMDUTF_ICONV
 
 TOOLS_CMAKE_BOOL=	SIMDUTF_TOOLS
 
 .include <bsd.port.mk>
diff --git a/converters/simdutf/distinfo b/converters/simdutf/distinfo
index c71dae6acf22..dff19b140c65 100644
--- a/converters/simdutf/distinfo
+++ b/converters/simdutf/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1736524066
-SHA256 (simdutf-simdutf-v6.0.3_GH0.tar.gz) = 3932bc91246d72a8e79c8aba17fbd4740468d0f42c0bd32bb156e97264a7a3dc
-SIZE (simdutf-simdutf-v6.0.3_GH0.tar.gz) = 2090321
+TIMESTAMP = 1737671776
+SHA256 (simdutf-simdutf-v6.1.0_GH0.tar.gz) = ef2903a7f085090c58f3acfa93a62733ae92a3f9b1d50800edec77a6816d7d67
+SIZE (simdutf-simdutf-v6.1.0_GH0.tar.gz) = 2103529
diff --git a/converters/simdutf/files/patch-singleheader_amalgamate.py b/converters/simdutf/files/patch-singleheader_amalgamate.py
new file mode 100644
index 000000000000..3af0080a9327
--- /dev/null
+++ b/converters/simdutf/files/patch-singleheader_amalgamate.py
@@ -0,0 +1,11 @@
+--- singleheader/amalgamate.py.orig	2025-01-23 23:04:46 UTC
++++ singleheader/amalgamate.py
+@@ -236,7 +236,7 @@ def get_timestamp():
+             raise ValueError(f"non-zero exit code {ret.returncode}")
+ 
+         return ret.stdout.decode('utf-8').strip()
+-    except (UnicodeDecodeError, FileNotFoundError):
++    except (UnicodeDecodeError, ValueError, FileNotFoundError):
+         print("git not found, timestamp based on current time")
+         return str(datetime.datetime.now())
+ 
diff --git a/converters/simdutf/pkg-plist b/converters/simdutf/pkg-plist
index 4dde0458db1d..42272120ca42 100644
--- a/converters/simdutf/pkg-plist
+++ b/converters/simdutf/pkg-plist
@@ -1,20 +1,20 @@
 bin/fastbase64
 %%TOOLS%%bin/sutf
 include/simdutf.h
 include/simdutf/avx512.h
 include/simdutf/common_defs.h
 include/simdutf/compiler_check.h
 include/simdutf/encoding_types.h
 include/simdutf/error.h
 include/simdutf/implementation.h
 include/simdutf/internal/isadetection.h
 include/simdutf/portability.h
 include/simdutf/simdutf_version.h
 lib/cmake/simdutf/simdutf-config-version.cmake
 lib/cmake/simdutf/simdutf-config.cmake
 lib/cmake/simdutf/simdutfTargets-%%CMAKE_BUILD_TYPE%%.cmake
 lib/cmake/simdutf/simdutfTargets.cmake
-lib/libsimdutf.so.14.0.0
-lib/libsimdutf.so.14
+lib/libsimdutf.so.15.0.0
+lib/libsimdutf.so.15
 lib/libsimdutf.so
 libdata/pkgconfig/simdutf.pc