diff --git a/srcpkgs/libsigc++3/template b/srcpkgs/libsigc++3/template
index 664b42fe8e1..4c0f466746b 100644
--- a/srcpkgs/libsigc++3/template
+++ b/srcpkgs/libsigc++3/template
@@ -1,6 +1,6 @@
 # Template file for 'libsigc++3'
 pkgname=libsigc++3
-version=3.0.7
+version=3.4.0
 revision=1
 build_style=meson
 configure_args="-Dmaintainer-mode=false -Dbuild-documentation=false
@@ -11,7 +11,7 @@ license="LGPL-3.0-only"
 homepage="https://libsigcplusplus.github.io/libsigcplusplus/"
 changelog="https://github.com/libsigcplusplus/libsigcplusplus/blob/master/NEWS"
 distfiles="${GNOME_SITE}/libsigc++/${version%.*}/libsigc++-${version}.tar.xz"
-checksum=bfbe91c0d094ea6bbc6cbd3909b7d98c6561eea8b6d9c0c25add906a6e83d733
+checksum=02e2630ffb5ce93cd52c38423521dfe7063328863a6e96d41d765a6116b8707e
 
 pre_configure() {
 	# build static library as well as shared