diff --git a/devel/double-conversion/Makefile b/devel/double-conversion/Makefile
index 725310dd401b..50920d78f1e5 100644
--- a/devel/double-conversion/Makefile
+++ b/devel/double-conversion/Makefile
@@ -1,21 +1,23 @@
 PORTNAME=	double-conversion
 DISTVERSIONPREFIX=	v
-DISTVERSION=	3.3.0
+DISTVERSION=	3.3.1
 CATEGORIES=	devel
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Binary-decimal and decimal-binary routines for IEEE doubles
 WWW=		https://github.com/google/double-conversion
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USES=		cmake:testing
 USE_LDCONFIG=	yes
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	google
 
 CMAKE_ON=	BUILD_SHARED_LIBS
 
+# tests as of 3.3.1: 100% tests passed, 0 tests failed out of 9
+
 .include <bsd.port.mk>
diff --git a/devel/double-conversion/distinfo b/devel/double-conversion/distinfo
index e5c4f6a10793..d215a04c2b84 100644
--- a/devel/double-conversion/distinfo
+++ b/devel/double-conversion/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1684648756
-SHA256 (google-double-conversion-v3.3.0_GH0.tar.gz) = 04ec44461850abbf33824da84978043b22554896b552c5fd11a9c5ae4b4d296e
-SIZE (google-double-conversion-v3.3.0_GH0.tar.gz) = 7033266
+TIMESTAMP = 1739613987
+SHA256 (google-double-conversion-v3.3.1_GH0.tar.gz) = fe54901055c71302dcdc5c3ccbe265a6c191978f3761ce1414d0895d6b0ea90e
+SIZE (google-double-conversion-v3.3.1_GH0.tar.gz) = 7035094
diff --git a/devel/double-conversion/pkg-plist b/devel/double-conversion/pkg-plist
index 2dfe3fc6a72a..62d27a5883f8 100644
--- a/devel/double-conversion/pkg-plist
+++ b/devel/double-conversion/pkg-plist
@@ -1,18 +1,19 @@
+include/double-conversion/bignum-dtoa.h
 include/double-conversion/bignum.h
 include/double-conversion/cached-powers.h
 include/double-conversion/diy-fp.h
 include/double-conversion/double-conversion.h
 include/double-conversion/double-to-string.h
 include/double-conversion/fast-dtoa.h
 include/double-conversion/fixed-dtoa.h
 include/double-conversion/ieee.h
 include/double-conversion/string-to-double.h
 include/double-conversion/strtod.h
 include/double-conversion/utils.h
 lib/cmake/double-conversion/double-conversionConfig.cmake
 lib/cmake/double-conversion/double-conversionConfigVersion.cmake
 lib/cmake/double-conversion/double-conversionTargets-%%CMAKE_BUILD_TYPE%%.cmake
 lib/cmake/double-conversion/double-conversionTargets.cmake
 lib/libdouble-conversion.so
 lib/libdouble-conversion.so.3
 lib/libdouble-conversion.so.3.3.0