diff --git a/graphics/cxxplot/Makefile b/graphics/cxxplot/Makefile
index c2bc93d98d48..b3c8a7967903 100644
--- a/graphics/cxxplot/Makefile
+++ b/graphics/cxxplot/Makefile
@@ -1,29 +1,29 @@
 PORTNAME=	cxxplot
 DISTVERSIONPREFIX=	v
-DISTVERSION=	0.3.2
+DISTVERSION=	0.4.0
 CATEGORIES=	graphics
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	C++ 2D plotting library
 WWW=		https://github.com/USNavalResearchLaboratory/cxxplot
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/license.txt
 
 USES=		cmake:testing compiler:c++20-lang gl qt:6
 USE_QT=		base tools:build
 USE_GL=		gl opengl
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	USNavalResearchLaboratory
 
 CMAKE_ON=		BUILD_SHARED_LIBS
 CMAKE_TESTING_TARGET=
 
-post-test: # 'make test' opens a lot of windows
+post-test: # 'make test' opens a lot of windows; 1 test fails, see https://github.com/USNavalResearchLaboratory/cxxplot/issues/10
 .for name in 01_test 02_test 03_test 04_test 05_test 06_test_csv 07_test_image
 	@${ECHO} "==> Running the test ${name}"
 	@${TEST_WRKSRC}/tests/${name}/libcxxplot_${name:C/test_.*/test/}
 .endfor
 
 .include <bsd.port.mk>
diff --git a/graphics/cxxplot/distinfo b/graphics/cxxplot/distinfo
index 69189549d0c8..4d58d79bdb0c 100644
--- a/graphics/cxxplot/distinfo
+++ b/graphics/cxxplot/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1678553505
-SHA256 (USNavalResearchLaboratory-cxxplot-v0.3.2_GH0.tar.gz) = e93f2fde646ef92099b7a82c8b4ab9bf88725e957c349a0fbd157615940bd5d4
-SIZE (USNavalResearchLaboratory-cxxplot-v0.3.2_GH0.tar.gz) = 4385376
+TIMESTAMP = 1689088356
+SHA256 (USNavalResearchLaboratory-cxxplot-v0.4.0_GH0.tar.gz) = e9065a7893952e6238ba79fc0ab0a0baff9b4893c81738f831e869f7b8a929b2
+SIZE (USNavalResearchLaboratory-cxxplot-v0.4.0_GH0.tar.gz) = 4385749