diff --git a/chrony.spec b/chrony.spec
index e4e6820..b160209 100644
--- a/chrony.spec
+++ b/chrony.spec
@@ -20,7 +20,7 @@ Source2:        https://chrony-project.org/gpgkey-8F375C7E8D0EE125A3D3BD51537E2B
 Source3:        chrony.dhclient
 Source4:        chrony.sysusers
 # simulator for test suite
-Source10:       https://github.com/mlichvar/clknetsim/archive/%{clknetsim_ver}/clknetsim-%{clknetsim_ver}.tar.gz
+Source10:       https://gitlab.com/chrony/clknetsim/-/archive/master/clknetsim-%{clknetsim_ver}.tar.gz
 %{?gitpatch:Patch0: chrony-%{version}%{?prerelease}-%{gitpatch}.patch.gz}
 
 # add distribution-specific bits to DHCP dispatcher
@@ -94,7 +94,7 @@ sed -i '/^ExecStart/a SELinuxContext=system_u:system_r:chronyd_restricted_t:s0'
 # regenerate the file from getdate.y
 rm -f getdate.c
 
-mv clknetsim-%{clknetsim_ver}* test/simulation/clknetsim
+mv clknetsim-*-%{clknetsim_ver}* test/simulation/clknetsim
 
 %build
 %configure \
diff --git a/sources b/sources
index 0f64136..970d87e 100644
--- a/sources
+++ b/sources
@@ -1,3 +1,3 @@
 SHA512 (chrony-4.5.tar.gz) = 58a449e23186da799064b16ab16f799c1673296984b152b43e87c620d86e272c55365e83439d410fc89e4e0ba0befd7d5c625eac78a6665813b7ea75444f71b5
 SHA512 (chrony-4.5-tar-gz-asc.txt) = 05470e6cc34524fdab494f70cee71d46172b38bdd4acd8173ac79fdec12178239248880db474437690094aae7909002113289ac7f9305130c5e0a1d9364122cb
-SHA512 (clknetsim-5d1dc0.tar.gz) = 76889da425dc9d63ba78811661d78ffa922a63c4f83aeb809fef02c866f64a97b09dd4b0906ccfd1e20cee5091d8b886aadfce54cd338d3bf597b0e976a78927
+SHA512 (clknetsim-5d1dc0.tar.gz) = 7d542443d7d9334d900cee821207fab1ee87e57fda6580a9d894f65fb36d265fdc4a72022b4293134d54cdeffba7e84d2f68f732f4b228b84d846d8668b314b2