diff --git a/srcpkgs/synapse/template b/srcpkgs/synapse/template
index e4f879f547a380..d66663092f4d26 100644
--- a/srcpkgs/synapse/template
+++ b/srcpkgs/synapse/template
@@ -1,6 +1,6 @@
 # Template file for 'synapse'
 pkgname=synapse
-version=1.155.0
+version=1.156.0
 revision=1
 build_style=python3-pep517
 build_helper=rust
@@ -25,7 +25,7 @@ license="AGPL-3.0-or-later"
 homepage="https://element-hq.github.io/synapse"
 changelog="https://raw.githubusercontent.com/element-hq/synapse/develop/CHANGES.md"
 distfiles="https://github.com/element-hq/synapse/archive/refs/tags/v${version}.tar.gz"
-checksum=adc6df95ad75c72dbe3e6921d4b37f387986352b51e550d1093ede4f5e82ec98
+checksum=8babba5f304edf30ed914ad569f41dc9b7cd783d4d7655424971d2a5c85658c1
 
 system_accounts="synapse"
 synapse_homedir="/var/lib/synapse"