2 files changed, 3 insertions, 3 deletions
diff --git a/.SRCINFO b/.SRCINFO
index 1f0930b6ed97..138f09946543 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,6 +1,6 @@
 pkgbase = slim-simulator
 	pkgdesc = A forwards-time population genetic simulator.
-	pkgver = 3.7.r0.g16d8c561
+	pkgver = 4.2.1.r0.ga5c09cdc
 	pkgrel = 1
 	url = https://messerlab.org/slim/
 	arch = x86_64
diff --git a/PKGBUILD b/PKGBUILD
index badbcce8d394..238416941a85 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -1,8 +1,8 @@
 # Maintainer: Graham Gower <graham dot gower at gmail dot com>
 _gitname=SLiM
-_gittag=v3.7  # tag, branch, or commit; comment out to use latest
+_gittag=v4.2.1 # tag, branch, or commit; comment out to use latest
 pkgname=slim-simulator
-pkgver=3.7.r0.g16d8c561
+pkgver=4.2.1.r0.ga5c09cdc
 pkgrel=1
 pkgdesc="A forwards-time population genetic simulator."
 arch=("x86_64")