diff --git a/srcpkgs/lagrange/template b/srcpkgs/lagrange/template
index 584682270b7..67a38bc13d1 100644
--- a/srcpkgs/lagrange/template
+++ b/srcpkgs/lagrange/template
@@ -1,7 +1,7 @@
 # Template file for 'lagrange'
 pkgname=lagrange
-version=1.13.4
-revision=2
+version=1.13.6
+revision=1
 build_style=cmake
 configure_args="-DTFDN_ENABLE_SSE41=NO"
 hostmakedepends="pkg-config zip"
@@ -13,7 +13,7 @@ license="BSD-2-Clause"
 homepage="https://gmi.skyjake.fi/lagrange/"
 changelog="https://git.skyjake.fi/skyjake/lagrange/raw/branch/dev/res/about/version.gmi"
 distfiles="https://git.skyjake.fi/skyjake/lagrange/releases/download/v$version/lagrange-$version.tar.gz"
-checksum=3bd9c3c370f23da3d2ae63d6560721799a07c05fab6c7b8c592e7e8b2e8d4434
+checksum=7a89e4e950d14cfebd2806de07c49eeeb79368091a68ca439795d0aba9e1aaa7
 
 post_install() {
 	vlicense LICENSE.md