diff --git a/math/igraph/Makefile b/math/igraph/Makefile
index c11c87d59fb8..eb98a887e2d1 100644
--- a/math/igraph/Makefile
+++ b/math/igraph/Makefile
@@ -1,31 +1,32 @@
 PORTNAME=	igraph
-DISTVERSION=	0.10.4
-PORTREVISION=	2
+DISTVERSION=	0.10.6
 CATEGORIES=	math
 MASTER_SITES=	https://github.com/${PORTNAME}/${PORTNAME}/releases/download/${DISTVERSION}/
 
 MAINTAINER=	wen@FreeBSD.org
 COMMENT=	Package For Manipulating Undirected And Directed Graphs
 WWW=		https://igraph.org/
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/COPYING
 
+BUILD_DEPENDS=	${LOCALBASE}/bin/flex:textproc/flex
 LIB_DEPENDS=	libarpack.so:math/arpack-ng \
 		libcxsparse.so:math/suitesparse-cxsparse \
 		libglpk.so:math/glpk \
 		libgmp.so:math/gmp \
 		libopenblas.so:math/openblas
 
 USES=		bison cmake cpe gnome pathfix
 USE_GNOME=	libxml2
 USE_LDCONFIG=	yes
 
 CMAKE_ON=	BUILD_SHARED_LIBS
-
-BINARY_ALIAS=	git=false
+CMAKE_OFF=	BUILD_TESTING
+CMAKE_ARGS=	-DCMAKE_DISABLE_FIND_PACKAGE_Git:BOOL=True \
+		-DFLEX_EXECUTABLE:FILEPATH=${LOCALBASE}/bin/flex
 
 pre-configure:
 	@${ECHO} ${DISTVERSION} > ${WRKSRC}/IGRAPH_VERSION
 
 .include <bsd.port.mk>
diff --git a/math/igraph/distinfo b/math/igraph/distinfo
index 1abb7a90123e..c72bde738206 100644
--- a/math/igraph/distinfo
+++ b/math/igraph/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1677384610
-SHA256 (igraph-0.10.4.tar.gz) = aa5700b58c5f1e1de1f4637ab14df15c6b20e25e51d0f5a260921818e8f02afc
-SIZE (igraph-0.10.4.tar.gz) = 4279321
+TIMESTAMP = 1691854665
+SHA256 (igraph-0.10.6.tar.gz) = 99bf91ee90febeeb9a201f3e0c1d323c09214f0b5f37a4290dc3b63f52839d6d
+SIZE (igraph-0.10.6.tar.gz) = 4300280
diff --git a/math/igraph/pkg-plist b/math/igraph/pkg-plist
index b0ec43e74244..b1f372cc1721 100644
--- a/math/igraph/pkg-plist
+++ b/math/igraph/pkg-plist
@@ -1,92 +1,92 @@
 include/igraph/igraph.h
 include/igraph/igraph_adjlist.h
 include/igraph/igraph_arpack.h
 include/igraph/igraph_array.h
 include/igraph/igraph_array_pmt.h
 include/igraph/igraph_attributes.h
 include/igraph/igraph_bipartite.h
 include/igraph/igraph_blas.h
 include/igraph/igraph_centrality.h
 include/igraph/igraph_cliques.h
 include/igraph/igraph_cocitation.h
 include/igraph/igraph_cohesive_blocks.h
 include/igraph/igraph_coloring.h
 include/igraph/igraph_community.h
 include/igraph/igraph_complex.h
 include/igraph/igraph_components.h
 include/igraph/igraph_config.h
 include/igraph/igraph_constants.h
 include/igraph/igraph_constructors.h
 include/igraph/igraph_conversion.h
 include/igraph/igraph_cycles.h
 include/igraph/igraph_datatype.h
 include/igraph/igraph_decls.h
 include/igraph/igraph_dqueue.h
 include/igraph/igraph_dqueue_pmt.h
 include/igraph/igraph_eigen.h
 include/igraph/igraph_embedding.h
 include/igraph/igraph_epidemics.h
 include/igraph/igraph_error.h
 include/igraph/igraph_eulerian.h
 include/igraph/igraph_export.h
 include/igraph/igraph_flow.h
 include/igraph/igraph_foreign.h
 include/igraph/igraph_games.h
 include/igraph/igraph_graph_list.h
 include/igraph/igraph_graphicality.h
 include/igraph/igraph_graphlets.h
 include/igraph/igraph_heap.h
 include/igraph/igraph_heap_pmt.h
 include/igraph/igraph_hrg.h
 include/igraph/igraph_interface.h
 include/igraph/igraph_interrupt.h
 include/igraph/igraph_iterators.h
 include/igraph/igraph_lapack.h
 include/igraph/igraph_layout.h
 include/igraph/igraph_lsap.h
 include/igraph/igraph_matching.h
 include/igraph/igraph_matrix.h
 include/igraph/igraph_matrix_list.h
 include/igraph/igraph_matrix_pmt.h
 include/igraph/igraph_memory.h
 include/igraph/igraph_microscopic_update.h
 include/igraph/igraph_mixing.h
 include/igraph/igraph_motifs.h
 include/igraph/igraph_neighborhood.h
 include/igraph/igraph_nongraph.h
 include/igraph/igraph_operators.h
 include/igraph/igraph_paths.h
 include/igraph/igraph_pmt.h
 include/igraph/igraph_pmt_off.h
 include/igraph/igraph_progress.h
 include/igraph/igraph_psumtree.h
 include/igraph/igraph_qsort.h
 include/igraph/igraph_random.h
 include/igraph/igraph_scan.h
 include/igraph/igraph_separators.h
 include/igraph/igraph_sparsemat.h
 include/igraph/igraph_stack.h
 include/igraph/igraph_stack_pmt.h
 include/igraph/igraph_statusbar.h
 include/igraph/igraph_structural.h
 include/igraph/igraph_strvector.h
 include/igraph/igraph_threading.h
 include/igraph/igraph_topology.h
 include/igraph/igraph_transitivity.h
 include/igraph/igraph_typed_list_pmt.h
 include/igraph/igraph_types.h
 include/igraph/igraph_vector.h
 include/igraph/igraph_vector_list.h
 include/igraph/igraph_vector_pmt.h
 include/igraph/igraph_vector_ptr.h
 include/igraph/igraph_vector_type.h
 include/igraph/igraph_version.h
 include/igraph/igraph_visitor.h
 lib/cmake/igraph/igraph-config-version.cmake
 lib/cmake/igraph/igraph-config.cmake
 lib/cmake/igraph/igraph-targets-%%CMAKE_BUILD_TYPE%%.cmake
 lib/cmake/igraph/igraph-targets.cmake
 lib/libigraph.so
 lib/libigraph.so.3
-lib/libigraph.so.3.0.0
+lib/libigraph.so.3.1.1
 libdata/pkgconfig/igraph.pc