diff --git a/math/fplll/Makefile b/math/fplll/Makefile
index 24b1be5cfeed..33e217bd3d23 100644
--- a/math/fplll/Makefile
+++ b/math/fplll/Makefile
@@ -1,26 +1,26 @@
 PORTNAME=	fplll
-DISTVERSION=	5.4.5
+DISTVERSION=	5.5.0
 CATEGORIES=	math
 MASTER_SITES=	https://github.com/${PORTNAME}/${PORTNAME}/releases/download/${DISTVERSION}/
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Lattice algorithms using floating-point arithmetic
 WWW=		https://github.com/fplll/fplll
 
 LICENSE=	LGPL21
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libgmp.so:math/gmp \
 		libmpfr.so:math/mpfr \
 		libqd.so:math/qd
 
 USES=		autoreconf compiler:c++11-lang gmake libtool localbase:ldflags pkgconfig
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--disable-static
 USE_LDCONFIG=	yes
 
 INSTALL_TARGET=	install-strip
 
 TEST_TARGET=	check
 
 .include <bsd.port.mk>
diff --git a/math/fplll/distinfo b/math/fplll/distinfo
index 19e6a6863c7c..5b24ea7067ef 100644
--- a/math/fplll/distinfo
+++ b/math/fplll/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1702755284
-SHA256 (fplll-5.4.5.tar.gz) = 76d3778f0326597ed7505bab19493a9bf6b73a5c5ca614e8fb82f42105c57d00
-SIZE (fplll-5.4.5.tar.gz) = 2630275
+TIMESTAMP = 1735915472
+SHA256 (fplll-5.5.0.tar.gz) = f0af6bdd0ebd5871e87ff3ef7737cb5360b1e38181a4e5a8c1236f3476fec3b2
+SIZE (fplll-5.5.0.tar.gz) = 2633527
diff --git a/math/fplll/pkg-plist b/math/fplll/pkg-plist
index 8d64130a0165..ba40a723cd82 100644
--- a/math/fplll/pkg-plist
+++ b/math/fplll/pkg-plist
@@ -1,50 +1,50 @@
 bin/fplll
 bin/latticegen
 include/fplll.h
 include/fplll/bkz.h
 include/fplll/bkz_param.h
 include/fplll/defs.h
 include/fplll/enum/enumerate.h
 include/fplll/enum/enumerate_base.h
 include/fplll/enum/enumerate_ext.h
 include/fplll/enum/enumerate_ext_api.h
 include/fplll/enum/evaluator.h
 include/fplll/fplll.h
 include/fplll/fplll_config.h
 include/fplll/gso.h
 include/fplll/gso_gram.h
 include/fplll/gso_interface.h
 include/fplll/hlll.h
 include/fplll/householder.h
 include/fplll/io/thread_pool.hpp
 include/fplll/lll.h
 include/fplll/nr/dpe.h
 include/fplll/nr/matrix.cpp
 include/fplll/nr/matrix.h
 include/fplll/nr/nr.h
 include/fplll/nr/nr_FP.inl
 include/fplll/nr/nr_FP_d.inl
 include/fplll/nr/nr_FP_dd.inl
 include/fplll/nr/nr_FP_dpe.inl
 include/fplll/nr/nr_FP_ld.inl
 include/fplll/nr/nr_FP_misc.inl
 include/fplll/nr/nr_FP_mpfr.inl
 include/fplll/nr/nr_FP_qd.inl
 include/fplll/nr/nr_Z.inl
 include/fplll/nr/nr_Z_d.inl
 include/fplll/nr/nr_Z_l.inl
 include/fplll/nr/nr_Z_misc.inl
 include/fplll/nr/nr_Z_mpz.inl
 include/fplll/nr/nr_rand.inl
 include/fplll/nr/numvect.h
 include/fplll/pruner/pruner.h
 include/fplll/pruner/pruner_simplex.h
 include/fplll/svpcvp.h
 include/fplll/threadpool.h
 include/fplll/util.h
 include/fplll/wrapper.h
 lib/libfplll.so
-lib/libfplll.so.8
-lib/libfplll.so.8.0.1
+lib/libfplll.so.9
+lib/libfplll.so.9.0.0
 libdata/pkgconfig/fplll.pc
 %%DATADIR%%/strategies/default.json