diff --git a/science/qbox/Makefile b/science/qbox/Makefile
index 74a71f61b84a..0a9758f9bec3 100644
--- a/science/qbox/Makefile
+++ b/science/qbox/Makefile
@@ -1,43 +1,43 @@
 PORTNAME=	qbox
 DISTVERSIONPREFIX=	rel
-DISTVERSION=	1_76_2
+DISTVERSION=	1_76_3
 CATEGORIES=	science
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	First-principles molecular dynamics code
 WWW=		http://qboxcode.org/
 
 LICENSE=	GPLv2+
 LICENSE_FILE=	${WRKSRC}/../COPYING
 
 LIB_DEPENDS=	libblas.so:math/blas \
 		libcurl.so:ftp/curl \
 		libfftw3.so:math/fftw3 \
 		liblapack.so:math/lapack \
 		libmpicxx.so:net/mpich \
 		libscalapack.so:math/scalapack \
 		libuuid.so:misc/e2fsprogs-libuuid \
 		libxerces-c.so:textproc/xerces-c3
 
 USES=		compiler:c++11-lang gmake iconv:wchar_t localbase:ldflags
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	qboxcode
 GH_PROJECT=	qbox-public
 
 WRKSRC_SUBDIR=	src
 
 MAKE_ARGS=	TARGET=freebsd
 
 ALL_TARGET=	qb
 TEST_TARGET=	tests # only builds tests, but doesn't run them: https://github.com/qboxcode/qbox-public/issues/6
 
 PLIST_FILES=	bin/qb
 
 post-extract:
 	@${SED} -e 's|%%LOCALBASE%%|${LOCALBASE}|; s|%%CXXFLAGS%%|${CXXFLAGS}|; s|%%LDFLAGS%%|${LDFLAGS}|' < ${FILESDIR}/freebsd.mk.in > ${WRKSRC}/freebsd.mk
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/qb ${STAGEDIR}${PREFIX}/bin
 
 .include <bsd.port.mk>
diff --git a/science/qbox/distinfo b/science/qbox/distinfo
index 01a24551eee0..1b0a3513a3ff 100644
--- a/science/qbox/distinfo
+++ b/science/qbox/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1709187826
-SHA256 (qboxcode-qbox-public-rel1_76_2_GH0.tar.gz) = eb481d321d4df72733775cbbce5ffe67faec2c8ed259618ca9217d8dff71d146
-SIZE (qboxcode-qbox-public-rel1_76_2_GH0.tar.gz) = 717144
+TIMESTAMP = 1709573699
+SHA256 (qboxcode-qbox-public-rel1_76_3_GH0.tar.gz) = b0bd8364c463c0450ac0b156a511c196318ea7ed0a129da8796927d0c4b515b2
+SIZE (qboxcode-qbox-public-rel1_76_3_GH0.tar.gz) = 717627
diff --git a/science/qbox/files/patch-Makefile b/science/qbox/files/patch-Makefile
deleted file mode 100644
index eddd60d505ae..000000000000
--- a/science/qbox/files/patch-Makefile
+++ /dev/null
@@ -1,13 +0,0 @@
-- workaround for https://github.com/qboxcode/qbox-public/issues/10
-
---- Makefile.orig	2023-12-24 23:28:51 UTC
-+++ Makefile
-@@ -82,7 +82,7 @@ CXXFLAGS += -DVERSION='"$(VERSION)"'
- 	$(LD) $(DFLAGS) -o $@ $^ $(LDFLAGS)
-  testCGOptimizer: testCGOptimizer.o CGOptimizer.o LineMinimizer.o
- 	$(LD) $(DFLAGS) -o $@ $^ $(LDFLAGS)
-- testAndersonMixer: testAndersonMixer.o AndersonMixer.o Context.o
-+ testAndersonMixer: testAndersonMixer.o AndersonMixer.o Context.o MPIdata.o
- 	$(LD) $(DFLAGS) -o $@ $^ $(LDFLAGS)
-  testSample: testSample.o AtomSet.o Atom.o Species.o \
-         Wavefunction.o SlaterDet.o \