diff --git a/common/shlibs b/common/shlibs
index d22ee06b1f8..7b794b14771 100644
--- a/common/shlibs
+++ b/common/shlibs
@@ -4181,7 +4181,7 @@ libgivaro.so.9 givaro-4.1.1_1
 liblinbox.so.0 linbox-1.6.3_1
 libpari-gmp-tls.so.9 pari-2.17.0_1
 libtree-sitter.so.0.25 tree-sitter-0.25.2_1
-libplanarity.so.0 planarity-3.0.1.1_1
+libplanarity.so.2 planarity-4.0.0.0_1
 libgap.so.9 gap-4.13.0_1
 libgtkdatabox.so.1 gtkdatabox3-1.0.0_1
 libxcvt.so.0 libxcvt-0.1.1_1
diff --git a/srcpkgs/planarity/template b/srcpkgs/planarity/template
index fe5d9e08c9f..f4c6fbca4b0 100644
--- a/srcpkgs/planarity/template
+++ b/srcpkgs/planarity/template
@@ -1,6 +1,6 @@
 # Template file for 'planarity'
 pkgname=planarity
-version=3.0.2.0
+version=4.0.0.0
 revision=1
 build_style=gnu-configure
 short_desc="Graph algorithms for planar embedding and related algorithms"
@@ -8,7 +8,12 @@ maintainer="Gonzalo Tornaría <tornaria@cmat.edu.uy>"
 license="BSD-3-Clause"
 homepage="https://github.com/graph-algorithms/edge-addition-planarity-suite/"
 distfiles="https://github.com/graph-algorithms/edge-addition-planarity-suite/releases/download/Version_${version}/planarity-${version}.tar.gz"
-checksum=b4897df8f323e660197242e0aa273a542a59782cad783d7334111a9ad49b9e08
+checksum=df3c86c32fd37b801079aea7de67675efdef12ada557cbcaae821e81b8db438d
+
+post_extract() {
+	# this file has CRLF line terminators, confuses sh
+	vsed -e 's/\r$//' -i test-samples.sh.in
+}
 
 post_install() {
 	vlicense LICENSE.TXT
@@ -19,6 +24,7 @@ planarity-devel_package() {
 	short_desc+=" - development files"
 	pkg_install() {
 		vmove usr/include
+		vmove usr/lib/pkgconfig
 		vmove "usr/lib/*.a"
 		vmove "usr/lib/*.so"
 	}